试题与答案

如图所示,在研究光的反射定律实验中, 第一步,改变_________的方向,观察

题型:实验题

题目:

如图所示,在研究光的反射定律实验中,

第一步,改变_________的方向,观察反射光线方向怎么改变,实验结论是:______________________。

第二步,把纸板的右半面向前折或向后折,观察是否还能看到__________,实验结论是:_______________________________________。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:指意识完全丧失,沉迷不语,属神志异常中最危重者,多伴有身热,肢厥等证,为热闭心包之重证。

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题型:完形填空

第二节 根据对话内容,从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 (注意:61—65题涂到卡上  E="AB   " F="AC   " G=AD)

A:Hello, Simon. Have you seen Billy this afternoon ?

B:No, Maria. Why ?

A:Oh, dear. I can’t find him anywhere. I don’t know what to do. He should have been back an hour ago.   61   

B:Don’t worry, Maria. He could have, but he probably didn’t. Did anything happen this morning?   62 

A:His birthday party.

B:Is it possible that you said something to upset him ?

A:I must have. I told him we hadn’t received Mr. White’s reply to our invitation.

B:  63  

A:No, he left home right after that.    64  

B:Maria, I’m sure there is nothing to worry about. He is probably on his way to see Mr. Smith, or else he is with Mr. White.

A:Oh, wait! There he is ! And Mr. Smith is with him.   65  He must have been to Mr. Smith’s.

A.I suppose I should have called you earlier.       

B.Anything else?

C.I wonder if he could have had an accident.      

D.I’m afraid he might have an accident.

E.Where could he have been?                          

F.You are right, Simon.

G.What were you talking about before he left?

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