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问题 单项选择题

以下对于全进口豪华SUV新昂科雷全车系第二排座椅描述不正确的是（）。

A.有LATCH系统

B.有SmartSlide滑动功能

C.有通风、加热功能

D.打孔真皮

答案

参考答案：C

单项选择题

《全国统一施工机械台班费用定额》中的耐用总台班是以（）为基础，并依据国家固定资产折旧年限规定，结合施工机械工作对象和环境以及年能达到的工作台班确定。

A.机械技术使用寿命

B.机械经济使用寿命

C.机械一般使用寿命

D.机械正常使用寿命
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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.

Is s=r
(1) s2=r2
(2) s is positive.
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