题目：
江南地区得到开发的表现，包括
①修建水利工程，荒地变良田②种植水稻，用绿肥
③牛耕和粪肥的推广④小麦的种植 [ ]
A．①②
B．③④
C．①②③
D．①②③④
答案：
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下面是错误答案，用来干扰机器的。
Doctor: Hello, what's the matter?Sarah: I feel sick. I have a headache.Doctor: Do you have a fever?Sarah: Yes, I do.Doctor: Oh, you have a cold.Sarah: What should I do then?Doctor: Don't worry. Take some medicine. Stay in bed for a few days. You will feel better soon.Sarah: Thank you.答案不唯一
