单元检测卷21

1、(P281).单句填空 根据句子的意思，用本单元所学的单词的适当形式填空。 1 .As for the diet, there are several sayings, any of which has not been proved_ . People of today appreciate science. 2 .Gregor Mendel is the scientist who used peas to show how physical _ are passed from parents to their children. 3. The wife of this official

2、hated his cheating deeds, _e_ what he did against some principles to the government. 4 .And now we are making efforts to help provide new treatment for these _ disabled patients. 5. It has been i_that every child under 15 should receive compulsory education. 6. Through the loud speaker, we have just

3、 heard an _ that all the students gather on the square at once. 7 .The infectious disease was not well controlled or thoroughly defeated. The following o_ scared the ordinary people. 8. The _ space refers to a room, a diary, an inner part of ones mind, and even ones thought that belong to ones own,

4、never wished to be known. 9. Countless _r_ struggled and fought hard, even gave their lives to obtain a free, fair, happy world for New China. 10.A similar conclusion is_ after they did experiments, analyzed results and found supporting evidence.阅读理解Nuclear radiation has a certain mystery about it,

5、partly because it cannot be detected by human senses. It cant be seen or heard, or touched or tasted, even though it may be all around us. There are other things like that. For example, radio waves are all around us but we cant detect them, sense them, without a radio receiver. Similarly, we cant se

6、nse radioactivity without a radiation detector. But unlike common radio waves, nuclear radiation is not harmless to human beings and other living things.At very high levels, radiation can kill an animal or human being outright(彻底地) by killing masses of cells in important organs. But even the lowest

7、levels can do serious damage. There is no level of radiation that is completely safe. If the radiation does not hit anything important, the damage may not be significant. This is the case when only a few cells are hit, and if there are killed outright. Your body will replace the dead cells with heal

8、thy ones. But if the few cells are only damaged, and if they reproduce themselves, you may be in trouble. They reproduce themselves in an unusual way. They can grow into cancer. Sometimes this does not show up for many years.This is another reason for some of the mystery about nuclear radiation. Ser

9、ious damage can be done without the knowledge of the person at the time that damage has occurred. A person can be irradiated(放射治疗)and feel fine, then die of cancer five, ten, or twenty years later as a result. Or a child can be born weak or easy to get serious illness as a result of radiation absorb

10、ed by its grandparents.Radiation can hurt us. We must know the truth.1.According to the passage, the danger of nuclear power lies in_.A.nuclear mystery B.radiation detection C.radiation level D.nuclear radiation2.Radiation can lead to serious results even at the lowest levels_.A.when it kills few ce

11、lls B.if it damages few cells, and if they reproduce themselvesC.though the damaged cells can repair themselvesD.unless the damaged cells can reproduce them selves3.Radiation can hurt us in the way that it can_.A.kill large numbers of cells to cause death immediatelyB.damage cells which may grow int

12、o cancer years laterC.affect the healthy growth of our younger generation D.lead to all of the above results4.Which of the following can be mostly possibly inferred from the passage?A.The importance of protection from radiation cannot be overemphasized(过分强调).B.The mystery about radiation has been so

13、lved.C.Cancer cant be caused by radiationD.Radiation can hurt those who do not know about its danger.ViennaIn spite of Iraqs decision to stop oil deliveries, the 11-nation Organization of Petroleum Exporting Countries (OPEC) will not increase production to make up the shortfall, ministers decided Tu

14、esday in Vienna.The 11 oil ministers decided to meet again on July 3 to discuss the effects of the Iraq temporary stop. The organizations president, Charkid Khelil of Algeria, said after the meeting that stocks were high and prices were stable, so quota(配额) increases were not necessary.The E.U. Comm

15、ission has expressed concern about Iraqs output stop. A speaker said OPEC had to take all possible measures to keep or lower the oil price.Saudi Arabias Oil Minister Ali Al-Nuaimi had earlier said there would not be any shortfall of oil in the market. The organization had already taken steps to fill

16、 the gap, he said. OPEC Secretary General Ali Rodriguez added that the period of the Iraq stop to export was not known, so other exporters were not going to lift quotas yet. If the market was destabilized(动摇), a suitable response could be made.Iraq on Monday stop shipments of crude oil to protest ag

17、ainst the U.N. Security Councils decision to extend the oil-for-food programme by only a month, instead of the normal six-month renewal(延期).Just before the Vienna meeting, oil prices had gone up, with a barrel of OPEC crude selling for 27.05 dollars, up from 26.81 dollars last Friday. North sea oil

18、was at 29.26 dollars Monday evening.OPEC wanted the oil price to stay within a margin of 22 to 28 dollars and achieved that with cuts in January and March that reduced 2.5 million barrels per day off quotas.5.Iraq made the decision to stop oil deliveries because_ .A.oil price is too low in the inter

19、national marketB.the U.N. Security Council has decided to shorten the time for the oil-for-food programmeC.many oil wells were destroyed during the war in the late 1980sD.it couldnt get enough money to develop its economy6.The attitude the E.U. Commission took towards Iraqs output stop is_.A.active

20、B.concernedC.mistaken D.surprising7.“The organization” in Paragraph 2 refers to_.A.OPEC B.the E.U. CommissionC.APEC D.WTO8.The 11 oil ministers decided to meet on July 3 so that_ .A.they can persuade Iraq to continue oil productionB.they can have a discussion about the effects of Iraqs temporary oil

21、 stopC.they can have a talk with the U.N. Security CouncilD.they can make up their minds to increase oil productions.语法填空阅读下列材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。（2015·洛阳第二次统考）Everything seemed to go 1_ for Jane yesterday. In the morning, when she woke up, it was 7:20. That was half an hour 2_（late）

22、 than usual. She got up and thought that she could still get to her company on time if she dressed and ate quickly. After dressing 3_, she went to the kitchen to have a quick breakfast. 4_（hurry）, she dropped a glass of milk on the floor, so she had to clean it. Then she got her handbag and hurried

23、out. When she ran to the bus stop, she found the bus had just left, 5_ she had to wait another 15 minutes. Finally, she got to her office, but it was 20 minutes late.6_（seat） behind her desk, she got ready to work. But to her 7_（disappoint）, she found that she had brought a wrong report, so she had to spend the whole day 8_（rewrite） it. At the end of the day, she got back home, but her keys 9_（leave） in her office. She just wanted to cry. Then she looked at herself. She began to la