某人在环境和进食相同的条件下，测定完全休息和运动时，通过不同途径散失的水分，结果如下表（单位：mL）。

则运动时人体散失水分的主要途径是（   ）

先通读下面的短文，掌握其大意，然后从A、B、C、D四个选项中选择可以填入空白处的最佳答案。

    Carol is a middle school student；She does well in only one subject.That is1.  Carol always does her history homework well and2good grade(分数)in history tests She likes her history teacher Mr．Aragon．She feels that he is like her3．

    At a parent—teacher meeting，Carol's mother has a4with Mr．Aragon．She says that Carol doesn't do well in5subjects．She hopes Mr．Aragon can6her．"Oh．I didn't know that．She is7．I'll try to talk to her,"says Mr．Aragon．

    When Mr．Aragon talks with Carol8her other subjects，Carol doesn't feel good，9she is grateful(感激的)．She knows that Mr．Aragon is trying to help．Carol 10his advice(建议)and tries to do well in other subjects．

书面表达

假定你是李华，你的加拿大笔友Peter给你发了邮件，说他叔叔Smith将乘坐CA988航班于12月12日上午11:30到达你所在的城市开会，同时带来了你想要的巧克力，请你按时接机。你需回一封邮件说明以下问题：

1）乐意按时接机；

2）接机方式：在飞机场出口处举一牌子，上面写有Smith is welcome；

3）接到人后会立即联系Peter。

注意：1）. 词数100左右；

2）可以适当增加细节，以使行文连贯；

3）开头语已为你写好。

Dear Peter,

    How are you doing? ……

Yours,

Li Hua