单项选择题
1、 （     ）
 


2、 已知X>0，Y>0，2x+Y一3，则XY的值为
A．9/8
B．3/2
C．9/4
D．3/4


3、 抛物线x2=-2y+2    (    )
A．开口向上，顶点为(0，-l)
B．开口向上，顶点为(0，1)
C．开口向下，顶点为(0，-l)
D．开口向下，顶点为(0，1)


4、 The students sat under a big tree,__________cold orange juice．
A．drink
B．drank
C．to drink
D．Drinking


5、 --Did you write to Lily recently?
--No,but I __________ her at a meeting.
A．am seeing
B．will have seen
C．saw
D．had seen


6、 __________ he is thinking about now is not her health, but her safety.
A．That
B．What
C．Whatever
D．Which


填空题
7、 已知正三棱锥的侧棱长是底面边长的2倍，则侧棱与底面所成角的余弦值等于 __________


8、 在图8-7所示的电路中，R₁=20Ω，R₂=70Ω．如果把100 V电压加在AB两端，CD两端的电压为60 V．现在把100 V的电压加在CD两端，AB两端的电压是____V．



9、


简答题
10、阅读下列短文，回答题。
提示：Jane和Michael商量周六去野餐。他们讨论要去什么地方，带些什么。Michael建议
邀请John和他的女朋友参加。后他们决定星期六早上8点出发。
Jane :How do you like the idea of having a picnic this Saturday?
Michael : Wonderful． But 51 ？
Jane:What about going to the Western Hills? It's quite cool there．
Michael:That's a good idea． 52 to go with us?
Jane:OK．And we can ask them to prepare some drinks．                            Michael : 53 ？
Jane : You' d better buy some fruit, and sandwiches．Michael: 54 ？
Jane : I like oranges, watermelons, grapes, and bananas．
Michael : 55 ？
Jane:How about eight o' clock in the morning? We can get there in an hour and a half．
Michael:OK． I' ll call John and tell him about our plan．
第51题  ________

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