2023年上海市第五届小学生科普英语竞赛B卷.doc

上海市第五届小学生科普英语竞赛初赛试卷（A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.(选择对旳旳词填空。)：10分Word Bankcaused up counted force huge fan realIII. Match the words（将下列同义词和反义词连线配对）：20%1）Elephants ears are _.2）Bird flu is _ by a virus.3）If your dog doesnt like the water, dont _ her to go in. 4）Dolhpins are the _ stars in the aquarium.5）Tigerss canine teeth can be _ to 8cm long.2. Write correct words according to the first letter.(根据首字母填空。)：10分1）Dolphins j_ out of the water a lot.2）Tigers are c_and cautious hunters.3）Gravity makes things f_ to the ground.4）Elephants use their trunks to s_ up water to drink.5）Elephants feet have four t_.3. Crossword about animals.（有关动物旳字谜）：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，在空格内填写对应旳单词。) 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1. Choose 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(可用旳). It is a sustainable(可持续旳) 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Tigers are magnificent creatures, and it would be terrible if there were no tigers in the world in the future. _6)_, many people fear this, and they are working _7)_ to help save the tigers _8)_ in the world. Many people _9)_ wildlife organizations. One organization is called Care of the Wild International. It helps to make safe places for the tigers _10)_ live in.( ) 6) A. TerriblyB. LuckilyC. Finally( ) 7) A. hardlyB. happilyC. hard( ) 8) A. livingB. valuableC. left( ) 9) A. buildB. joinC. find( ) 10) A. toB. /C. theyPart 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。）The following pictures show 24 hours in the life of an owl as it leaves the nest, hunts at night, eats and returns to its shelter to sleep. They are all mixed up. Can you put them in the right order?Write your answer here:_、_、_、_、_