单选题：Nancy is only a sort of ________ of her husband’s opinion an

题目内容：

Nancy is only a sort of ________ of her husband’s opinion and has no ideas of her own. A．sample
B．reproduction
C．shadow
D．echo

参考答案：

答案解析：

In order to make things convenient for the people, the depar

In order to make things convenient for the people, the department is planning to

分类：英语四级题型：单选题

变性蛋白质的主要特点是（　　）A．分子量降低 B．溶解性增加 C．共价键被破坏 D．生物学活性丧失 E．不易被蛋白质水解

分类：英语四级题型：单选题

分类：英语四级题型：单选题

From the tone of the passage we know that the author is ________. A．doubtful abo

分类：英语四级题型：单选题

由招标人组建的评标委员会的任务有（　）。A．负责评标活动 B．根据招标人的授权确定评标专家 C．向招标人推荐中标候选人 D．审核投标人交来的投标文件后确定中标人

分类：英语四级题型：单选题