题目内容
19．I don't know ________，but I guess he may be a teacher．（ ）| A． | what is he | B． | how he does it | C． | what he does | D． | what does he do |
分析 我不知道他是干什么工作的，但是我猜他可能是老师．
解答 答案C 在宾语从句中要用陈述语序，也就是主谓宾语序．根据"know ________"以及四个选项，可知空格处需要一个宾语从句，并要用陈述语序．另外根据"he may be a teacher"可知不知道他是做什么工作的．由"I don't know"及"I guess"可知从句中的时态要用一般现在时．故选C．
点评 在宾语从句中要用陈述语序，也就是主谓宾的语序，另外根据题意做出正确选择．
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（1）短文要包含所给的提示信息，可适当发挥．
（2）短文开头部分已给出，不计入总词数．
Water is very important to us．We can't live without it．But some people don't reallycare about this．They waste a lot of water，pour dirty water and throw rubbish into rivers or lakes．As a result，many rivers and lakes are polluted，and there is less and less water for us to drink．So we must do so mething to protect the water resource．We should stop the pollution and find ways to reuse water．If everyone can do so，we are sure to save a lot of water．．
| 内容要点 |
| 1．一些人浪费水． |
| 2．一些人向河流湖泊排污水、倒垃圾． |
| 3．水被污染． |
| 4．可供我们饮用的水越来越少． |
| 5．应该保护水资源，再利用水… |
要求：
（1）短文要包含所给的提示信息，可适当发挥．
（2）短文开头部分已给出，不计入总词数．
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