在PIS的车载子系统中，车载LCD屏尺寸为（）。A.14英寸 B.15英寸 C.20

把一定量的铜粉投入硝酸银和硝酸锌的混合溶液中，充分反应后过滤，滤出的金属中一定含有[ ]

A．Zn

B．Cu

C．Ag

D．Cu和Ag

为了使临时装片内不产生气泡或少产生气泡，盖盖玻片时应[ ]

A．把盖玻片平放在载玻片上

B．事先多滴几滴清水

C．让盖玻片的一边先接触载玻片的水滴，重重的盖下

D．让盖玻片的一边先接触载玻片的水滴，缓缓的盖下

分析和评价产品组合的方法主要有()。

A.产品项目分析法  

B.产品项目市场定位分析法 

C.多因素分析法 

D.德尔菲法

《学记》指出：“时教必有正业，退息必有居学”．说明人们对______的重视．

A．教学
B．学习
C．课外活动
D．游戏

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.

If each of the segments marked on the board above is of equal length, and if x and y represent the indicated lines on the board, then what is the distance between x and y ？（） (There are twelve inches in a foot).

(1) The board is five feet long.

(2) x is 18 inches from the nearest end of the board.

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.