新标准大学英语综合教程2第七单元unit test

1. Dogs share many of the same _______ as humans and can easily show emotion.

A. attributes

B. distributes

C. tributes

D. reattributes

2. Compared to my pet frog, that horse seemed like a _______ animal.

A. miniature

B. typical

C. giant

D. short

3. It might be hard to believe but some ants are _______ of carrying more than ten times their

body weight!

A. capable

B. capability

C. able

D. ability

4. Over millions of years, animals on Earth _______ and adapted to many different environments.

A. grew

B. involved

C. developed

D. evolved

5. Polar bears are able to stay warm in such cold places because they have a thick _______

of fat beneath their fur.

A. layer

B. coat

C. sheet

D. stack

6. Many animals, like chipmunks, live underground in vast networks of _______ that they dig.

A. holes

B. tunnels

C. openings

D. caves

7. Elephants are often called _______ animals because of their size, beauty, and elegance.

A. enormous

B. magnificent

C. interesting

D. compelling

8. Scientists have been studying DNA for years but they've only _______ a fraction of the

information it contains.

A. covered

B. recovered

C. discovered

D. uncovered

9. Charles Darwin suggested that humans and apes, such as chimpanzees, shared a similar _______

from a common ancestor.

A. descent

B. ascent

C. descendent

D. descendant

10. There is a famous story about a lion that had a thorn stuck in its _______.

A. hand

B. paw

C. hoof

D. flipper

11. When he wants to go outside, my dog will _______ bark at the front door until someone opens

it.

A. unreliably

B. previously

C. distractedly

D. repeatedly

12. Penguins may look a little silly walking on land, but they _______ through water

beautifully.

A. leap

B. glide

C. squirm

D. drape

13. When a tiger shows its teeth, that's an _______ that it is about to attack.

A. indicate

B. indicative

C. indication

D. indicating

14. Many fish swim with a gentle side-to-side _______ of the fins and tail.

A. motion

B. motive

C. motor

D. motel

15. I could see a subtle _______ of sadness on the face of my cat when I left for work this

morning.

A. clue

B. motion

C. hint

D. gust

16. Parrots have the ability to _______ the sounds they hear around them.

A. produce

B. reproduce

C. pronounce

D. mispronounce

17. Some species of birds can fly for miles simply by gliding on a _______ of wind.

A. breeze

B. motion