题目：
小题1:Although David is only 2 years old, he can learn to sing the song by_______ (he).
小题2:I'm doing a survey about how __________ (improve) English quickly.
小题3:My daughter likes collecting. She has collected all kinds of ___________ (knife).
小题4:I think there will be ____________ pollution in the future if we plant more trees now. ( little )
小题5:He did his homework so __________ that he made few mistakes. ( careful )
根据语境或句意，从方框中选择恰当的词并用其正确的形式填空，使句子意思正确完整，并将答案填入答题卡上指定的位置。
小题6:"Would you mind _______ the dishes?" "OK. I'll do them right away."
小题7: Henry gets on well with everyone in our class. He's always _________ to all of us.
小题8:Martin was_ in Chinese history after he came to China and he read a lot about it.
小题9:Teenagers are not _________ to smoke because smoking is bad for their health.
小题10:_________ of children like watching the TV show Where Are We Going ,Dad? It's really fantastic.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：C解析： 该病例明显提示了发病季节为7月下旬，临床表现为病程3d后出现明显的神经系统症状及病理反射阳性，结合脑脊液改变应考虑为乙脑。由于乙脑早期外周血象白细胞可升高，且以中性粒细胞为主，因此...
