---Est-elle dans la cusine?---Non, elle __________. A: y n'est pas. B: n'y est pas. C: n'est pas y. D: n'est y pas.

–Hello. May I speak to Zhou Lan?<br/>--Yes. _______.<br/>A. My name is Zhou Lan<br/>B. I’m Zhou Lan <br/>C. This is Zhou Lan speaking<br/>D. Zhou Lan’s me A: My name is Zhou Lan B: I’m Zhou Lan C: This is Zhou Lan speaking D: Zhou Lan’s me

设*是集合A上可结合的二元运算,且对任意x,y属于A,若x*y=y*x,则x=y.证:x*y*x=x

An operating system that allows several processors to perform computation as thesame time is call A: Single program B: Multitasking C: Multiprocessing D: Real time processing

Without putting in enough time and energy, your chances of success in learning a second language are ______.(slim)

4. Not many American people are willing to spend their free time learning Chinese martial arts.

You will ______ a lot of time learning English, so it is necessary to make it fun. A: spend B: cost

在STRING,TIME，REAL,BIT数据类型中，VHDL综合器支持哪些类型？

I telephoned the station to make ______ the time of the train． A: sure B: real C: true D: right

It was a real race __________ time to get the project completed in such a short time. A: over B: by C: for D: against