2月到3月份 官网每日一题.doc

2011年3月09 SAT官方每日一题2011年3月9日考试类型:Critical Reading Sentence Completions Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.When he was five years old, the boy scribbled on the bedroom wall with a permanent marker, leaving an - mark that would still be there even after he grew up and moved away.A. interchangeableB. indelibleC. ostensibleD. eradicableE. untenable正确答案:B解析:Choice (B) is correct. It makes sense to describe a mark made by a permanent marker as “indelible,” or unable to be erased or removed2011年3月08 SAT官方每日一题2011年3月8日考试类型:Mathematics Standard Multiple Choice Read the following SAT test question and then click on a button to select your answer.The graph of is shown above. If , and if is on the graph of , which of the following must be true?A. B. C. D. E. 正确答案:D解析:The second coordinate of a point on the graph corresponds to . From the graph, you can see that for , the smallest value of is and the greatest value is , so .2011年3月07 SAT官方每日一题2011年3月7日考试类型:Writing Identifying Sentence Errors The following sentence contains either a single error or no error at all. If the sentence contains an error, select the one underlined part that must be changed to make the sentence correct. If the sentence contains no error, select choice E.a Before the end of the semester, b each of you c needs to meet with your adviser d or I to discuss your plans for next year. e No errorA. AB. BC. CD. DE. E正确答案:D解析:The personal pronoun “I” in the prepositional phrase “with your adviser or I” is an object of the preposition “with” and should be in the objective case. The corrected phrase should be: “with your adviser or me.”2011年3月04 SAT官方每日一题2011年3月4日考试类型:Writing Improving Sentences Part of the following sentence is underlined; beneath the sentence are five ways of phrasing the underlined material. Select the option that produces the best sentence. If you think the original phrasing produces a better sentence than any of the alternatives, select choice A.Woody Guthrie wrote and adapted more than a thousand songs, many of them are about the struggles of workers and the poor in the United States.A. many of them areB. many of which areC. many areD. which are, many of them,E. and many of them that are正确答案:B解析:Choice (B) is correct. It avoids the comma-splice error of the original by using the pronoun “which” in place of the pronoun “them,” thereby turning what was originally an independent clause (“many of them are United States”) into a relative clause that modifies “songs.”2011年3月03 SAT官方每日一题2011年3月3日考试类型:Critical Reading Sentence Completions Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.The archaeologist enjoyed the - life she led while gathering artifacts; she never stayed at any one site long enough to get bored.A. stealthyB. nomadicC. clamorousD. indiscreetE. rustic正确答案:B解析:The archaeologist “never stayed at any one site long enough to get bored.” Her life can be described as “nomadic” or characterized by moving from place to place.2011年3月02 SAT官方每日一题2011年3月2日考试类型:Mathematics Standard Multiple Choice Read the following SAT test question and then click on a button to select your answer.In a community of people, each person owns a dog or a cat or both. If there are dog owners and cat owners, how many of the dog owners own no cat?A. B. C. D. E. 正确答案:C解析:To solve this problem, you must realize that some of the dog owners also own cats and some of the cat owners also own dogs. This has to be true because is more than ! The question asks how many of the dog owners do not own cats. To solve the problem, first find the number of people who own both a dog and a cat. To do this, let equal the number who own both a dog and a cat. Then . (Note: Adding and counts twice, so must be subtracted from the sum to get .) Next, the equation can be solved for , yielding . Finally, the number of dog owners who own no cat is .2011年3月01 SAT官方每日一题2011年3月01日考试类型:Writing Identifying Sentence Errors The following sentence contains either a single error or no error at all. If the sentence contains an error, select the one underlined part that must be changed to make the sentence correct. If the sentence contains no error, select choice E.Between 1508 a to 1512, Michelangelo, b working on a scaffold 60 feet above the floor, painted the vaulted ceiling of the Sistine Chapel in Rome c with hundreds of giant figures d that represented his vision of the worlds creation. e No errorA. AB. BC. CD. DE. E正确答案:A解析:The error in this sentence occurs at (A), where there is an inappropriate idiom. The idiom is “Between x and y,” not “Between x to y.”2011年02月28 SAT官方每日一题2011年2月28日考试类型:Critical Reading Sentence CompletionsChoose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.Laboratories have been warned that provisions for animal protection that in the past were merely - will now be mandatory;- of this policy will lose their federal research grants.A. comprehensive . . adversariesB. nominal . . advocatesC. disregarded . . proponentsD. recommended . . violatorsE. compulsory . . resisters正确答案:D解析:The word “merely” indicates that the past provisions were not as strict as the “mandatory” provisions and “recommended” is the only first term that conveys a lesser degree of strictness. Only “violators” could logically be penalized by losing their federal research grants.2011年02月25 SAT官方每日一题2011年2月25日考试类型:Critical Reading Sentence CompletionsChoose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.Although the conference speakers disliked one another and might have been expected to - , it turned out that on several substantive issues they were in complete - and were able to avoid petty squabbling.A. argue . . disagreementB. bristle . . apathyC. debate . . dissonanceD. concur . . denialE. bicker . . accord正确答案:E解析:Choice (E) is correct. Bickering is the kind of petulant or peevish arguing to which personal dislike might have lead the speakers, but their “accord,” or agreement, on substantive issues kept them from squabbling.2011年02月24 SAT官方每日一题2011年2月24日考试类型:Mathematics Standard Multiple Choice Read the following SAT test question and then click on a button to select your answer.A line segment containing the points and will also contain the pointA. B. C. D. E. 正确答案:C解析:The slope of the line containing the points and is , or . If is another point on this line segment, then and must satisfy , or . Of the five choices, is the only point for which .2011年02月23 SAT官方每日一题2011年2月23日考试类型:Writing Identifying Sentence Errors The following sentence contains either a single error or no error at all. If the sentence contains an error, select the one underlined part that must be changed to make the sentence correct. If the sentence contains no error, select choice E.a Most of the worlds b sharks, living in temperate and tropical regions, c though the Greenland shark lives in the cold Arctic waters, and the huge basking shark is at home in the seas d around Antarctica. e No errorA. AB. BC. CD. DE. E正确答案:B解析:The error in this sentence occurs at (B), where an inappropriate verb form creates a sentence fragment. To fix this problem, the phrase “sharks, living” should be changed to “sharks live.”2011年02月22 SAT官方每日一题2011年2月22日考试类型:Critical Reading Sentence Completions Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.Demographers and anthropologists have corrected the notion that European explorers in North America entered a - territory by showing that the land in some areas was already as densely - as parts of Europe.A. fertile . . settledB. colossal . . woodedC. desolate . . populatedD. valuable . . exploitedE. hostile . . concentrated正确答案:C解析:Only “desolate.populated” presents the contrast required by the sentence. The words “corrected the notion” signal that the first word in the correct answer must contrast with the second word because that second word corrects the mistaken notion.2011年02月21 SAT官方每日一题2011年2月21日考试类型:Mathematics Standard Multiple Choice Read the following SAT test question and then click on a button to select your answer.If the graph of the function is a line with slope , which of the following could be the equation of ?A. B. C. D. E. 正确答案:B解析:The graphs of all the given functions are lines, and the equations are all in the form . When a linear equation is in the form , the slope of the graph of the equation is , the coefficient of . The graph of the function is a line with slope , so the only choice that could be the equation of is .2011年02月20 SAT官方每日一题2011年2月20日考试类型:Writing Improving Sentences Part of the following sentence is underlined; beneath the sentence are five ways of phrasing the underlined material. Select the option that produces the best sentence. If you think the original phrasing produces a better sentence than any of the alternatives, select choice A.The first 10,000 United States patents, known to be the X-patents, were burned in a fire in 1836.A. to beB. to have beenC. asD. as they wereE. as being正确答案:C解析:Choice (C) is correct. It avoids the error of the original by using the idiomatic “known as” instead of the awkward and unidiomatic “known to be.”2011年02月18 SAT官方每日一题2011年2月18日考试类型:Mathematics Standard Multiple Choice Read the following SAT test question and then click on a button to select your answer.For how many positive two-digit integers is the ones digit greater than twice the tens digit?A. B. C. D. E. 正确答案:A解析:The correct answer is (A). If the tens digit is ,there are positive two-digit integers with the ones digit greater than twice the tens digit: and .If the tens digit is ,there are positive two-digit integers with the ones digit greater than twice the tens digit: and . If the tens digit is ,there are positive two-digit integers with the ones digit greater than twice the tens digit: and .If the tens digit is ,there is positive two-digit integer with the ones digit greater than twice the tens digit: .If the tens digit is equal to or greater than ,then the ones digits, which cannot be greater than ,is not greater than twice the tens digit. Therefore, there is a total of positive two-digit integers for which the ones digit is greater than twice the tens digit.2011年02月17 SAT官方每日一题2011年2月17日考试类型:Writing Identifying Sentence ErrorsThe following sentence contains either a single error or no error at all. If the sentence contains an error, select the one underlined part that must be changed to make the sentence correct. If the sentence contains no error, select choice E.In order to a prepare for the speech he b was given to all of the parents and teachers at the school, George practiced speaking c in front of a group of d his friends. e No errorA. AB. BC. CD. DE. E正确答案:B解析:The error in this sentence occurs at (B), where there is an inappropriate verb form. It does not make sense to say that George would prepare for a speech that “he was given” (that was given to him). Instead, “he was to give” is needed.2011年02月16 SAT官方每日一题2011年2月16日考试类型:Critical Reading Sentence Completions Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.Because he felt intimidated in his new position, he was - divulging his frank opinions of company proposals.A. scurrilous aboutB. candid inC. chary ofD. fervid aboutE. precipitate in正确答案:C解析:Someone who is “intimidated” by his position would be “chary of,” or cautious about, expressing his honest opinion of company proposals.2011年02月15 SAT官方每日一题2011年2月15日考试类型:Mathematics Standard Multiple Choice Read the following SAT test question and then click on a button to select your answer.There are students in a biology class, and only of them are seniors. If juniors are added to the class, how many students in the class will not be seniors?A. B. C. D. E. 正确答案:D解析:At first, there are students in the class, and of them are seniors. It follows that initially students are not seniors. If juniors are added to the class, there will be , or , students in the class who are not seniors.2011年02月14 SAT官方每日一题2011年2月14日考试类型:Writing Improving Sentences Part of the following sentence is underlined; beneath the sentence are five ways of phrasing the underlined material. Select the option that produces the best sentence. If you think the original phrasing produces a better sentence than any of the alternatives, select choice A.Althea Gibson, the first African American tennis player to be recognized as a world champion, beginning to play amateur tennis in the 1940s.A. beginning to playB. began playingC. and she began playingD. she began to playE. she had begun playing正确答案:B解析:Choice (B) is correct. It avoids the sentence fragment error of the original by providing a main verb (“began”) for the subject of the sentence, “Althea Gibson.”2011年02月12 SAT官方每日一题2011年2月12日考试类型:Mathematics Standard Multiple ChoiceRead the following SAT test question and then click on a button to select your answer.The price of pounds of apples is dollars. If the apples weigh an average of pound for every apples, which of the following is the average price, in cents, of a dozen such apples?A. B. C. D. E. 正确答案:A解析:If apples weigh pound, then a dozen () apples weigh pounds. The price of a dozen apples is the price of pounds of apples. The price of pounds of apples is dollars, or cents, so the price of pounds of apples is of cents, or cents.2011年02月11 SAT官方每日一题2011年2月11日考试类型:Writing Identifying Sentence Errors The following sentence contains either a single error or no error at all. If the sentence contains an error, select the one underlined part that must be changed to make the sentence correct. If the sentence contains no error, select choice E.a The introduction of elevators in hotels meant that b previously undesirable rooms on the top floors, c away from the bustle and noise of the street, became sought after and more expensive than d the lower floors. e No A. AB. BC. CD. DE. E正确答案:D解析:The error in this sentence occurs at (D), where there is an illogical comparison. It does not make sense to compare “rooms on the top floors” with “the lower floors.”2011年02月10 SAT官方每日一题2011年2月10日考试类型:Critical Reading Sentence Completions Choose the word or set of words that, when inserted in the sentence, best fits the meaning of the sentence as a whole.With the 1969 film The Learning Tree, Gordon Parks proved what a truly - artist he was: he not only directed the film and composed its musical score, but also adapted its screenplay from his own novel.A. complacentB. proteanC. laudedD. clairvoyantE. harried正确答案:B解析:Choice (B) is correct. The structure of the sentence indicates that the word that fills in the blank will be explained by the part of the sentence that follows the colon. We are told that Gordon Parks adapted the screenplay for The Learning Tree from his own novel, wrote music for the film, and directed the film. Because of his involvement in several different aspects of the film, it makes sense to describe Parks as protean, or demonstrating great variety and diversity.2011年02月09 SAT官方每日一题2011年2月09日考试类型:Mathematics Standard Multiple Choice Read the following SAT test question and then click on a button to select your answer.If and , then A. B. C.