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问题 多项选择题

利用惯性行驶必须具备一定条件，这些条件是（）。

A、有专人指挥

B、车辆技术状况正常，主要是怠速稳定、转向和制动装置无故障

C、驾驶经验丰富，操作技术熟练

D、道路宽直，交通空闲，视线良好E空车

答案

参考答案：B, C, D

问答题 简答题

试述细胞质内细胞器的种类及特点如何？
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单项选择题

The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether.

What is the value of x-y ？（）
(1) (x-y)2=25
(2) 4x=4(y+3)

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.
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