单选题：根据以下材料回答题：Research into the material culture of a nation is

题目分类：英语四级
题目类型：单选题
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题目内容：

根据以下材料回答题：

Research into the material culture of a nation is of great importance because __________.

参考答案：

答案解析：

（3）__________

（3）__________

分类：英语四级题型：单选题

儿童开始认生的年龄是（　　）。

儿童开始认生的年龄是（　　）。A．1～3个月 B．5～6个月 C．1岁左右 D．3岁以上

分类：英语四级题型：单选题

It says vomiting should be used only__________.

It says vomiting should be used only__________.

分类：英语四级题型：单选题

Robert Burns is remembered mainly for his songs written in t

Robert Burns is remembered mainly for his songs written in the __________ dialec

分类：英语四级题型：单选题

Employers would try their best to __________．

Employers would try their best to __________．

分类：英语四级题型：单选题