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Unit 4—Unit 5 综合检测
（满分100分,限时60分钟）
Ⅰ.单项选择（每小题2分,共16分）
1.Where is your brother? I want to give a book.
A.me B.you C.him D.her
2.After taking tennis classes, Tim is much than last year.
A.strong B.stronger C.strongest D.the strongest
3.—You be excited—you have tickets for your favourite band!
—Yes. It’s unbelievable that I can see the band play live!
A.need B.have to C.must D.might
4.Du Fu is famous his poems, so people call him the Sage of Poetry（诗圣）.
A.for B.as C.in D.with
5. —Do you like the movie is called The Battle at Lake Changjin?
—Sure. I think no movie is than it.
A.that; more touching B.what; less touching
C.that; more touched D.which; less touched
6. the people locked inside, the firemen broke down the door.
A.Reach B.To reach C.Reaching D.To reaching
7.—It’s getting dark now. Why not stop home?
—OK. Let’s go.
A.go B.going C.to go D.goes
8.— You dance so well, Alice.
—Thanks. I Chinese dance since I was 5 years old.
A.learn B.learnt C.am learning D.have learnt
Ⅱ.完形填空（每小题1.5分,共15分）
Scientists have found fossils of animals with tails dating back hundreds of millions of years. Back then, early fish used their tails as fins （鳍） to swim through oceans, and avoid 9 . As these fish developed into creatures that lived on land, their tails started to change too.
Scientists believe that dinosaurs swung their tails side to side to balance their 10 heads and bodies while walking on two legs. This movement allowed them to run 11 to catch their prey （猎物）. Similarly, present-day kangaroos use their tails for balance. But their tail isn’t just for balance — it also acts as a powerful third leg that can help push them forward through the air. 12 , a monkey’s tail can also act like a 13 , allowing it to hold on to tree branches.
Many insects also have tails. But their roles are quite different. Most tailed insects use their tails to 14 eggs.
Birds use their tails both 15 while sitting on trees and to control directions and reduce drag （阻力） while flying. Some birds also use their tails for mating （交配）. Take peacocks 16 example. Male ones will spread their colorful tails to attract female ones.
Besides, animals that live in groups, like wolves, use different tail 17 to show their rank.
Although humans don’t have tails like monkeys, our ancestors did have tails. Scientists believe those tails 18 from our human ancestors around 20 million years ago. Once they started walking upright, they no longer needed tails to help with balance.
9.A.friends B.enemies C.parents D.brothers
10.A.light B.small C.heavy D.soft
11.A.fast enough B.enough fast C.slowly enough D.enough slowly
12.A.In a word B.In addition C.In turn D.In a hurry
13.A.leg B.mouth C.hand D.ear
14.A.lie B.lay C.lain D.laid
15.A.balance B.to balance C.balancing D.balanced
16.A.as B.in C.at D.for
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