Section B (1a--1d) 同步练习
一. 用括号内所给单词的正确形式填空。
1．You should eat __________(little) meat if you want to be healthy. 2．When Jimmy was born，he ________(weigh) three kilos. 3．An adult panda can eat 10 ________(kilo) of food a day. 4．Some _________(adult) can't understand their children.
5．We humans can ________(live) up to more than 100 years if we are healthy enough. 二．单项选择
（ ）1. I don’t like to read books in the sunshine because it’s not good _______my eyes.
A. at B. for C. with D. to
（ ）2. Are they than an adult panda?
A. very smaller B a lot of smaller C much smaller D smaller a lot
（ ）3. Her science and English are a little better ______ Lucy’s.
A. at B. in C. than D. of
（ ）4. In order to protect our earth, we should use the bus _____and drive our cars _____.
A. more, less B. less, more C. much, little D. more, fewer.
（ ）5. The line(线) is ____ than that one.
A. more longer B. not longer C. much longer D. many more longer
（ ）6. The earth is _____ the moon.
A. as 49 times big as B. 49 times as bigger as C. 49 times as big as D. as big as 49 times
（ ）7. Panda’s favorite food is ______.
A. vegetables B. bananas C. fruit D. bamboo
二. 英汉互译。
1．我刚出生时有60厘米长。
____________________________________________ 2．一只猫可以活到13岁。 ________________________________
3．An adult panda eats many times more than its baby panda. _____________________________________________ 3．This elephant weighs about 5，000 kilos ___________________________________________. 5．The river is five times as long as that one.
________________________________ 四. 完形填空。
Elephant is one of the biggest mammals in the world.There are __1__kinds of elephants：the African elephants and the Indian elephants.The main difference between them is that the Indian one has much __2__ ears.What do you think the African elephant uses to cool during the summer？You guessed it，his bigger __3__．The funny thing about the ears of the elephants is that they have very weak hearing.Because of this，they use their feet to __4__．They listen through the vibrations(震动) that they feel on the ground.
One elephant has 2 ivories.They can be as long as 2 meters.A(n)__5__ elephant reaches 3－4 meters—many times taller than a baby one.And an adult African elephant __6__ 7，250 kg.
Do you know that the elephant has one of the thickest skins(皮肤) in the world？It can be 2.5－4 cm.Like the pandas，the elephants spend 15－18 hours a day __7__ 150－300 kilos of food.
Elephants can live __8__ 70 years.Elephants are good at swimming.So they enjoy playing in the river.But because of their small eyes，__9__ eyesight(视力) is very poor.
__10__ don't be upset.At least the elephant has the biggest brain in the whole animal world.It can weigh almost 140 kilos at the age of 20.
( ) 1. A. five B. two C. three D. four
( ) 2. A .thinner B. thicker C. bigger D. smaller ( ) 3. A. nose B. tail C. ears D. feet
( ) 4. A. listen B. see C. smell D. walk ( ) 5. A. ill B. baby C. adult D. strong ( ) 6. A. lives B. loses C. adds D. weighs
( ) 7. A. eating B. swimming C. playing D. making ( ) 8. A. at all B. up to C. up on D. as for ( ) 9. A. his B. their C. its D. her ( )10. A. But B. If C. Unless D. So 参考答案
一、less; weighed; kilos; adults; live 二、BCCBCCD
三、At birth，I was 60 cm long. A cat can live up to 13 years. 一只成年熊猫比它的幼崽多吃许多倍食物。 这头大象大约重5000公斤。 这条河的长度是那条河的五倍。
四、BDCACDABBA
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