火眼金睛，辨字组词。 桃（ ）根（ ）体（ ）昨（ ）清（ ）课（ ）铅（ ）水（

已知全集U=R，集合A={x|x²-3x-4≤0}，B={x|x＜-2或x＞3}，则集合A∩C_∪B等于  [ ]

A．{x|-2≤x≤4}  

B．{x|-2≤x≤-1}  

C．{x|-1≤x≤3}  

D．{x|3＜x≤4}

O型血的红细胞膜上含有（）

A.A抗原

B.B抗原

C.O抗原

D.H抗原

E.C抗原

对伴有幽门螺杆菌感染的胃溃疡病人联合应用兰索拉唑、阿莫西林和替硝唑治疗。

对地西洋药理作用的描述正确的是哪些（）.

A.抗焦虑

B.镇静催眠

C.中枢性肌肉松弛作用

D.抗抑郁

E.抗癫痫

—Could I use your computer?

—        .[ ]

A. Sorry.  You can't use it    

B. Sorry.  I'm going to work on it

C. Yes, I can                

D. No, you couldn't

My mother was so angry at ______ my brother was doing ______ she stopped him at once.[ ]

A. that, that

B. what, that

C. that, what

D. what, what