上海市第五届小学生科普英语竞赛A卷

上海市第五届小学生科普英语竞赛初赛试卷 （B卷）（总分：100分；时间：45分钟） 学校 姓名 年级 分数 Part I Vocabulary （词汇）：40分1. Choose correct words from Word Bank to fill in the blanks.(选择正确的词填空。) ：10分Word Bankleft friendly counted feed gather worth senseIII. Match the words（将下列同义词和反义词连线配对）：20%1）Dolphins act in a _ way. 2）Hummingbirds _ pollen from flowers. 3）There are very few Siberian tigers _ in the wild. 4）Mother elephant shows her baby where to _ and drink.5）Ivory tusks are _ a lot of money.2. Write correct words according to the first letter.(根据首字母填空。)：10分1）Dolphins l_ their mouth out of the water at the same time.2）Tigers move slowly and q _ to their prey.3）Astronauts dont f_ their weight. 4）Elephants use their trunks to b_ and smell.5）On h_ ground, elephants dont leave any footprints.3. Crossword about animals.（有关动物的字谜）：20分（每个单词2分）Write the animals name in the numbered grid spaces according to the numbered pictures.(根据图片，在空格内填写相应的单词。) The letters in the dark squares make up a word to describe(描写) a habit common to bears.What is it?_ (2分)Part II Knowledge Quiz （知识小测验）：25分1Choose the correct answer. 20分( ) 1）An object is _ times heavier on the earth than on the moon.A. sixB. fiveC. eight( ) 2）Gases ,such as _, are given out and increase the greenhouse effect.A. O2B. COC. CO2( ) 3）Tigers sense things with their _.A. whiskersB. tongueC. teeth( ) 4）Dont count your chikens before theyre hatched.What does this saying mean?A. You should protect chikens as they havent grown up.B. Dont be so excited before you finally succeed.C. You will be disappointed when you count your chikens.( ) 5）Elephants live _.A. aloneB. in a caveC. in a group( ) 6）At about 240,000 miles away and 2,160 miles in diameter, the Moon is Earths only_.A. starB. planetC. satellite( ) 7）What do you mean by the term renewable energy?A. Buying new energy.B. Energy that never runs out.C. Making new energy.( ) 8）Which is renewable resources?A. GasolineB. Fossil fuelsC. Wind power( ) 9）People do not use more natural resources at a faster rate than the Earth makes available(可用的). It is a sustainable(可持续的) life style. Which of the following choices are more sustainable?A.B.Riding the bus homeRiding in a car( ) 10）According to the sustainable life style, which of the following choices are more sustainable?A.B.HamburgerOrganic Veggie Salad2. Test yourself. 5分Part III Cloze Test （完型填空）：20分1. Choose the correct word. 10分There are two reasons why the sea is blue. Firstly because the _1)_ is blue. It reflects on the sea and makes the sea _2)_ blue. When the sky is grey, the sea looks grey too.The sun also makes the sea look blue. Sunlight is a mixture of all the _3)_ of the rainbow, although we cant see them.Water separates the different rays of light. It _4)_ green, red and yellow rays, but _5)_ rays are reflected upwards and make the sea look blue.( ) 1) A. waterB. see itselfC. sky( ) 2) A. lookB. seemC. into( ) 3) A. raysB. coloursC. bands( ) 4) A. takesB. absorbsC. changes( ) 5) A. otherB. whiteC. blue2. Choose the correct word. 10分More and more of the forests are being cut down _6)_ wood. This means that tigers are bing pushed off their home and the number of their prey is _7)_ smaller and smaller. Tiger skins and teeth are still sold _8)_ so illegal hunters are still laying _9)_ for them. Tigers are _10)_ serious danger.( ) 6) A. toB. fromC. for( ) 7) A. reducingB. gettingC. cutting( ) 8) A. highlyB. illegallyC. crazily( ) 9) A. trapsB. cavesC. holes( ) 10) A. awayB. offC. inPart IV Reading （阅读理解）：15分Passage 1 (10分，每题2分。)Dogs dont live as long as people. Few of them reach the age of 15. Dogs life expectancy（预期寿命）depends on good food, physical exercise and whether its parents are healthy.Dogs age faster than humans. But they dont age at a regular speed. When young dogs are 3 months old, they are like 3-year-old children. At 6 months they are like 10-year-old children. Dogs life expectancy also depends on its size. Usually, small dogs live longer than big dogs. A small dog that weighs less than 15kg is old by the time it is 10 years old. A middle-sized dog is old when it is 8. A big dog that weighs more than 40kg is old when it is 6 years old.TRUE OR FALSE? （ ）1）A dogs age is counted like our humans.（ ）2）Healthy dogs can reach the age of 15 easily.（ ）3）Dogs life expectancy depends mostly on nutrition.（ ）4）Dogs age at an irregular speed,faster than human.（ ）5）Big dogs usually live shorter than small ones.Passage 2（5分，每空1分。