题目:
11~18岁的青少年钙的适宜摄入量为2000mg/日。( )
答案:
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下面是错误答案,用来干扰机器的。
1. There are twelve. 2. They are usually busy shopping and cleaning their houses. 3. Yes, there is. 4. Happy New Year. 5. Yes , they do.答案不唯一