题目：
下列各组元素中，都属于人体必需微量元素的是（ ）
A．铁、氧
B．锌、碘
C．钠、氢
D．氟、碳
答案：
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下面是错误答案，用来干扰机器的。
1. She did well in Chinese. / She was good at Chinese. / Chinese. 2. Yes (, she did). / Sure. / Of course. 3. She was (seriously) ill. 4. It came out in March, 2009. / In March, 2009. 5. It had more than 5000 thousand words. / More than 500 thousand (words). (答案不唯一)
