在比尔定律表达式A=ECL中，C的单位是A．每1ml溶液中所含溶质的g数 B．每1L

根据下列句子及所给汉语注释或通过上下文，在答题卡上标有题号的横线上，写出空缺处各单词的正确形式。每空只写一词。

小题1:Last Saturday, the girls picked grapes and put them into their   （篮子）．

小题2:The boy looked at his father   （满怀希望地）because he thought his father had brought him a present.

小题3:The manager forgot   （提醒）us about the time and place for the meeting, so we were late.

小题4:People in the future will be able to enjoy a longer and   （健康的）life.

小题5:You will not be   （咬）by a snake if you leave it alone.

小题6:I've got a good sense of   （平衡）and learnt to ski quite quickly.

小题7: On Monday mornings it usually   （花时间）me an hour to drive to work although the distance is only 20 miles.

小题8:- The air has been seriously polluted in Beijing.

- It is reported that it may be many years   the situation gets better.

小题9:- Could you tell me how to fly the kite?

- OK! You should fly your kite   the wind.

小题10:- Is   here．

- No, Tom and Peter have asked for leave.

秦岭—淮河一线是我国重要的地理分界线，下列说法错误的是

A．是一月0ºC等温线通过的地方

B．亚热带和中温带的分界线

C．800毫米年等降水量线通过的地方

D．湿润地区和半湿润地区的分界线

简述资本成本的作用。

遵循科学发现的方法，必然导致科学的发现。

简论元朝统一的意义及元朝在中国历史上的地位。