内容正文:
完形填空专项练(三)
一、完形填空
根据短文内容,从各题的四个选项中选择一个最佳选项。
At night, you fall asleep while listening to beautiful music. In the 1 , you are woken up by the singing of birds outside. You can enjoy all of these things because of one important organ (器官)—the ears.
You may wonder 2 the ears work? The ear has three different parts: the outer ear, the middle ear, and the inner ear. The outer ear is the part you can see. It 3 sound around you. The sound then travels down to the middle ear, the inner ear and then to our brain.
Your ears never stop working, even when you are asleep! Your ears continue hearing sounds, 4 your brain just ignores (忽略) them. That’s why you might sometimes wake up 5 in the middle of the night—your brain heard something, however, you don’t know what it was, because you were asleep.
Ears do more than hear. They help you keep our balance, too. In the inner ear, there are organs that are 6 liquid ( 液体) and covered in small hairs. When you move our head, the liquid and hairs move, too. They send 7 to your brain about the position (位置) of your head.
More surprisingly, ears even help with tasting food. Of course, you don’t actually taste food with your ears. There are nerves (神经) running 8 the middle ear that connect the tongue to the brain. If something happens to our ears, you might have a hard time 9 different flavors (味道) apart.
The ears are truly important organs with many functions (功能). 10 should make sure to protect their ears as well as they can.
1.A.morning B.afternoon C.evening D.night
2.A.when B.why C.how D.where
3.A.controls B.changes C.chooses D.collects
4.A.and B.but C.or D.so
5.A.completely B.quickly C.suddenly D.gradually
6.A.used for B.regarded as C.filled with D.made of
7.A.messages B.words C.sentences D.news
8.A.across B.through C.over D.past
9.A.smelling B.feeling C.telling D.listening
10.A.Someone B.Anyone C.No one D.Everyone
Ears are an important part of our face. Le