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问题 选择题
清晨，草叶上的露珠是由空气中的水汽凝结成的水珠，这一物理过程中，水分子间引力和斥力变化情况是（　　）

A．引力减小，斥力增大

B．斥力减小，引力增大

C．引力、斥力都增大

D．引力、斥力都减小

答案

答案：C

完形填空

情景交际（本题共5小题；每小题2分，满分10分）

根据对话内容，选出最佳选项填入空白处。（有两项为多余选项）

A: Summer holidays will begin next month. Are you going back to your hometown?

B: No, 小题1: .

A: What are you going to do?

B: Mum will take me to Beijing.    小题2: 

A: She will be very happy to see you.

B: Yes, we haven’t seen each other for several years.

A:   小题3: 

B: She is an English teacher. She is teaching in Beijing now. but last year she taught in Hong Kong.

A： 小题4: 

B: Yes, she has. She likes traveling. So, she always moves to different places to work.

A: Is she going to work in Dalian?

B: Yes.    小题5:

A: That’s great.
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单项选择题

某建设项目业主与甲施工单位签订了施工总包合同，合同中保函手续费为20万元，合同工期为200d。合同履行过程中，因不可抗力事件发生致使开工日期推迟30d，因异常恶劣气候停工10d，因季节性大雨停工5d，因设计分包单位延期交图停工7d，上述事件均未发生在同一时间，则甲施工总包单位可索赔的保函手续费为( )万元。

A．0.7
B．3.7
C．4.7
D．5.2
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