题目内容

_______apple _______ day keeps _______ doctor away!

A. A; a; the B. An; a; the

C. The; a; a D. An; the; the

B

【解析】

试题分析:句意:一天一苹果,疾病远离我。apple是元音音素开头的,故用不定冠词an来修饰。a day一天。the doctor此处的医生特指是医病,故用定冠词the来修饰。故选B。

考点:考查冠词的用法。

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When people are dirty, they take a bath or a shower. Animals don't have soap(肥皂), but they do keep themselves clean. Many animals with hair, such as dogs and cats, keep themselves clean by licking (舔)their hair. They also use their teeth to pull out small dirty things from their hair. When they lick their hair, it is almost as if they are using a wet brush to clean themselves.

Birds take baths to stay clean. First they walk through water that is not deep. Next they beat(拍打) their wings to dry themselves. Birds also take sand baths(沙浴)on the ground. It is thought that they do this to drive away parasites(寄生虫).

Even fish need cleaning. Fish have very little parasites that live in their mouths. Some fish live by eating these parasites off other fish. Such fish are called "cleaner fish". Larger fish will open their mouths so that the cleaner fish can get in to clean.

Some animals that live in groups clean each other, such as monkeys. They often clean one another. One monkey may clean an area that the other monkey can't reach. How interesting it is!

1. One way that birds keep clean is to __________.

A. open their mouths B. take sand baths

C. beat their wings D. clean each other

2. According to the third paragraph, all the following are true EXCEPT _______.

A. fish need cleaning

B. some fish are cleaner fish

C. some parasites live in the fish's mouths

D. larger fish open their mouths to eat cleaner fish

3.You may probably read this passage in a _________.

A. weather report B. school report

C. science book D. history book

4.The best title of the passage is _________ .

A. Animals Keeping Clean

B. Different Animals

C. Driving Away Parasites

D. Monkeys Living in Groups

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