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【单选题】
基因能控制生物的性状，转基因技术是将一种生物的基因转入另一种生物中，使被转入基因的生物产生人类所需要的性状。这种技术自产生之日起就备受争议。公众最关心转基因食品的安全性：这类食品是否对人有毒?是否会引起过敏?一位专家断言：转基因食品是安全的，可放心食用。 以下各项陈述都支持这位专家的断言，除了哪一项?A.
转基因农作物抗杂草，所以无须使用含有致癌物质的除草剂。
B.
转基因作物在全球大面积商业化种植13年来，从未发生过安全性事故。
C.
普通水稻的害虫食用转基因水稻后会中毒，所以种植转基因水稻无须使用农药。
D.
杂交育种产生的作物是安全的，用传统方式对作物品种的杂交选育，实质上也是转基因。
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【单选题】He insisted on doing ______ good to others.
A.
what he thought it was
B.
what he thought was
C.
what he was thought
D.
what it was he thought
【简答题】A．Because they thought he was still in China. B．Because they thought he was put into prison. C．Because they thought he was working for the Chinese government. D．Because they thought he had died.
【简答题】A．He thought it was a good car. B．He thought it was too noisy. C．He thought there was something wrong with the car. D．He didn't like it.
【简答题】A．He thought it was a good car. B．He thought it was too noisy. C．He thought there was wrong with the car. D．He didn't like it.
【简答题】A．He thought it was terrible. B．He thought the actors were boring. C．He thought it was a success. D．He thought it was funny.
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