Knowledge is the food of thought ________，as long as it is put in our brain，we w

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Knowledge is the food of thought ________，as long as it is put in our brain，we will grow wiser.

A．but

B．when

C．then

D．and

答案

解析

and连接两个并列分句，表示联合关系。

举一反三

There is still much to discuss；________，we shall return to this topic at the next meeting.

A．yet	B．therefore
C．otherwise	D．however

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It"s really very dangerous.One more step，________ the baby will fall into the well.

A．or

B．so

C．but

D．and

题型：不详难度：| 查看答案

Information technology is taught in most schools，________ we have entered the information era.

A．so	B．while
C．for	D．still

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________ several times，but he still doesn"t know how to do it correctly.

A．Although I"ve taught him

B．I"ve taught him

C．Having been taught

D．Having taught

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________ seems to be a strong competition in China for senior high students to enter universities does exist in other countries as well.

A．It

B．Which

C．What

D．That

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