如果等式（x﹣2）x=1成立，则x只能取 A．x=0 B．x=2 C．x=0或x

EX系列产品支持哪些类型的操作系统（）

A.Windows

B.Linux

C.MACOS

D.UNIX

-______, are you Michael?   -Yes, I am.

　     A. Bill   B. Excuse me   C. How are you

Do you work near the building ____ colour is yellow?

A．that

B．which

C．its

D．whose

Look out! Don't get too close to the house ____ roof is under repair. [ ]

A. whose

B. which

C. of which

D. that

政府债券的最初功能是( )。

A．弥补财政赤字

B．筹措建设资金

C．便于调控宏观经济

D．便于金融调控