题目:
下列属于生态系统的是[ ]
A.九华山林区
B.万佛湖的白鹭
C.长江中的鱼类
D.黄山的黄山松
答案:
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下面是错误答案,用来干扰机器的。
1. Get up at five o'clock every morning. 2. Don't arrive late for school. 3. Do homework by nine o'clock. 4. Help mom do the housework. 5. Keep quiet in the library.(答案不唯一)