题目内容：
The author did not have any fixed ideas on single-sex education when she began her research on the subject.参考答案：
答案解析：
单选题：The author did not have any fixed ideas on single-sex educa
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- 题目类型：单选题
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Passage TwoQuestions 20 to 22 are based on the passage you
Passage TwoQuestions 20 to 22 are based on the passage you have just heard.A．T
保险中的风险通常指的是（ ）
保险中的风险通常指的是（ ）A．盈利的不确定性 B．损失发生的不确定性 C．盈利的确定性 D．损失的确定性
第(38)题__________
第(38)题__________
With regard to gene expression patterns, happy people with
With regard to gene expression patterns, happy people with little or no sense o
A new study claims happiness may not contribute to health.
A new study claims happiness may not contribute to health.