No one knows ______effects the GM material might have on the food chain. A．whatB
题型：不详难度：来源：
No one knows ______effects the GM material might have on the food chain. | A．what | B．which | C．whose | D．how |
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答案
| A |
解析
试题分析：考查宾语从句，what在宾语从句中可做主宾表和定语，这里what修饰effects，句意是：每人知道GM材料会对食物链有什么样的影响。选A。
点评：如果宾语从句缺少主宾表和定语要考虑用what，做题是关键时分析句子成分。 |
举一反三
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