题目内容

科研论文的前言部分主要叙述本课题的(*2)

A. 抽样方法
B. 具体干预措施
C. 收集资料的方法
D. 研究背景和预期目的

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根据词义选择单词

Lincoln was born on ________

A. February 1809,12
B. February 12, 1809
C. 1809, February 12
D. 1809, 12 February

The number 4123 is read _______

A. four thousands a hundred and twenty-three
B. four thousand and a hundred and twenty-three
C. four thousand one hundred and twenty-three
D. four thousand and one hundred twenty-three

The government changes the way it makes money every few years.

A. 错误
B. 正确

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