单项选择题
1、 已知函数y=f(x)是奇函数，且f(-5)=3，则f(5)=    （    ）
A．5    
B．3
C．-3 
D．-5


2、 世界被瓜分完毕，资本主义世界体系终形成是在（　　）
A．19世纪初
B．19世纪中期
C．20世纪初
D．20世纪中期


3、 0A．充分不必要条件
B．必要不充分条件
C．充要条件
D．既不充分也不必要条件


4、 阅读下列短文，回答题。
One of the things to learn when studying a foreign language is to guess what will come next in a conversation．People do this all the time in their own language，so it is necessary to do this in a foreign language，too．Here are some examples．
1．“What’s the matter?”，“1 went to a party last night，so l…”
2．“I feel so tired these days．”“I think you’d better…”
3．“0f course．she never stops talking．She is one of the most…”
You can see from the above three examples that the context(上下文)helps a lot in
understanding what is being talked about．so“guessing”is very important in understanding English，especially spoken English．
From the context,we can see maybe the finished answer in EXAMPLE 1 is__________.
A．"... so I didn't have a good time. "
B．"... so I went to bed very late. "
C．"...So I felt unhappy."
D．"...so I got up very early."


5、
A．respect
B．fence
C．tent
D．metal

填空题
6、


7、 图7-6是氢原子能级图的一部分．如果电子在能级上跃迁放出了能量为1．9 eV的光子，则电子是从n=____的能级跃迁到n=____的能级·


简答题
8、 求证：双曲线的一个焦点到一条渐近线的距离等于虚半轴的长．


9、 试述苏俄新经济政策的主要内容和历史意义。


10、 (本小题满分12分)

责编：cll  评论 纠错

上一页12下一页