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问题 单项选择题

门窗框安装时锚固铁脚所采用的材料厚度和宽度分别不小于（）。

A、2.0mm和30mm

B、1.5mm和30mm

C、2.0mm和25mm

D、1.5mm和25mm

答案

参考答案：D

单项选择题

沈阳故宫文溯阁仿（）而建。

A.天一阁

B.文华阁

C.文英阁

D.龙图阁
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单项选择题

Now that you’ve gotten a little more confident, we’re going to give you the opportunity to practice "without the training wheels." When you want to check your work, you can turn to the solutions at the end. If you aren’t familiar with some of the mathematical concepts, make a note to pay particular attention to that chapter in this book; this practice set covers a wide range of topics tested on the GMAT.
On all data sufficiency problems, the answer choices are the same (as you’ve learned). We’ve put them here for your reference.
Ａ. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
Ｂ. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
Ｃ. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
Ｄ. EACH statement ALONE is sufficient.
Ｅ. Statements (1) and (2) TOGETHER are NOT sufficient.

What is the average of a list of n consecutive integers
(1) The smallest number in the list is 5.
(2) n=8
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