单选题
What is the main idea of the article?
A、
Plants that absorb metals are being studied by scientists.
B、
Scientists are trying to create cancer-fighting crops.
C、
Some wild plants can store micronutrients naturally.
D、
Anti-cancer products in the foods are good to people's diet.
【正确答案】
A
【答案解析】
[分析] 本题考查对全文的理解。B,C,D皆以偏概全,不能概括文章主要内容。
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