Unit 4　Astronomy：the science of the stars

Section Ⅱ-Learning about Language

　　一、请找出下列句子的主语，并归纳什么可以作句子的主语

　　1．We see him every day in our everyday life.

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　　2．To see is to believe.

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　　3．Raising pigs is her job.

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　　4．What he wants is some milk.

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　　5．It is important to learn English.

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　　6．The news is exciting.

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　　7．It is necessary that we go to help him.

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　　8．With the help of Xiao Wang，they finished the work on time.

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　　归纳：可以充当句子主语的有：

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　　二、读下列英语谚语，找出其中含有主语从句的句子

　　1．What is learned in the cradle is carried to the grave.

　　儿时所学，终生难忘。

　　2．A bad beginning makes a bad ending.

　　不善始者不善终。

　　3．Children are what the mothers are.

　　耳濡目染，身教言传。

　　4．What's done cannot be undone.

　　生米煮成熟饭。

　　5．What's lost is lost.

　　失者不可复得。

　　6．Money spent on the brain is never spent in vain.

　　智力投资绝不会白花。

　　三、欣赏下列幽默故事，画出其中的主语从句

　　A：What you need now is a doctor.You must see a doctor before dark.

　　B：Well，whether he is coming or not is a problem.

　　A：Why do you think so?

　　B："An apple a day keeps a doctor away." And I've eaten 13 apples today.

A：Really？But it is said that Doctor Smith is not afraid of apples，which he likes very