2. 外语
  3. A、Because FDA approved them. B、Because they cannot read the labels. C、Because they support the new technique. D、Because they can

A、Because FDA approved them. B、Because they cannot read the labels. C、Because they support the new technique. D、Because they can

admin2013-06-02  31
问题  
选项 A、Because FDA approved them.
B、Because they cannot read the labels.
C、Because they support the new technique.
D、Because they cannot tell which is cloned food.
答案D
解析 Why do many people in US buy cloned foods?
[B]、[C]、[D]的主语均是they，而 [A]的主语却是FDA，与其他选项明显不同，故可首先排除。根据短文中提到的But because the FDA would allow cloned meat and milk to be sold... be able to avoid them．可知答案为[D]。
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