问题
单项选择题
发动机温度过低，混合气形成质量差，HC生成量（）。
A.增加
B.不变
C.减少
D.不一定
答案
参考答案：A
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发动机温度过低，混合气形成质量差，HC生成量（）。
A.增加
B.不变
C.减少
D.不一定
参考答案：A
Do you often watch TV? Maybe your 1 is “Yes”. Most children like watching TV 2 it’s interesting and relaxing. They can also learn a lot and know 3 things about their country and the world. TV helps to open children’s eyes. TV can open 4 mind. They can learn some better ways of 5 things. Many children are always 6 with their studies, so they watch TV only on weekends. 7 some children watch TV every night. They go to 8 very late and they can't have a good rest. I 9 it’s good to do so. What do you 10 it?
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