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问题 选择题

在标准状况下，下列物质的体积最大的是（　　）

A．3.01×1023个氧分子

B．0.6molHCl

C．4g氢气

D．36g水

答案

A、3.01×1023个氧分子的物质的量为0.5mol，标准状况下，体积为0.5mol×22.4L/mol=11.2L；

B、0.6molHCl在标准状况下，体积为0.6mol×22.4L/mol=13.44L；

C、4g氢气的物质的量为

4g
2g/mol
=2mol，标准状况下，体积为2mol×22.4L/mol=44.8L；

D、36g水的体积约为

36g
1g/ml
=36ml．

故4g氢气的体积最大．

故选：C．

听力题

根据下列各句空白之后的汉语提示词及首字母提示，在答题卡指定区域的横线上写出对应单词的正确形式，每空只写一词。(注意：请写出完整的单词)

小题1:Annie Sullivan was a lively young woman with __________(耐心)and imagination.

小题2:In the school __________（图书馆）, I found lots of books I was interested in.

小题3:Don’t be frightened by the television camera, Just speak _________.(自然地).

小题4:What Tom did during the sports meet made all of us ________(失望).

小题5:I am good at English ___________(作文).

小题6:More than 100,000 people were killed in the 2004 Asian tsunami, _________(包括) thousands of foreigners.

小题7:I was born on the first of __________(八月).

小题8:Will it be ________(方便) for you to start work tomorrow?

小题9:We tried to ________(劝说) him to give up smoking.

小题10:He ________(未能) to pass the driving test last summer.
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多项选择题

易货贸易的特点有（）。

A.买卖双方交换价值相等

B.可用优势商品带动滞销商品，扩大出口

C.不用货币支付

D.突破进口方支付能力不足，扩大出口
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