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问题 选择题

在直角坐标系中，点A（3，-6）关于原点对称的点位于                      [ ]

A．第一象限    

B．第二象限    

C．第三象限    

D．第四象限

答案

答案：B

改错题
短文改错。
     此题要求改正所给短文中的错误。对标有题号的每一行作出判断：如无错误，在该行右边
横线上华一个对勾（P）如有错误（每行只有一个错误）则按下列情况改正；
此行多一个词：把多余的词用斜线（\）划掉，在该行右边横线上写出该词，并业用斜线划掉。
此行缺一个词：在缺词处加一个漏字符号（），在该行右边横线上写出该加的词。
注意：原行没有错的不要改。
     Three men were fishing when the angel appeared in the boat       
with them. The first man got over her shock and politely said to 
the angel, "I've  suffered by back pain for years. Can you help
me?" The angel touched his back, and he had recovered.          
The second man pointed to his glass and asked if the angel       
could cure her poor eyesight. The angel touched his eyes,        
but he could see everything clearly.                               
     The angel then turned to the third man, ∧threw up his hands   
in fear. "Don’t touch me!" he cries. "I'm on disability pay!
I don't want to be a normally person!”                          		1______
2______
3______
4______
5______                                  
6______
7______
8______
9______
10______
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多项选择题

附子汤和真武汤中均有的药物是（）。

A.附子

B.获苓

C.生姜

D.白术

E.芍药
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