减肥最重要的两项原则是减少能量摄入和增加能量消耗。
A. 对
B. 错
听录音,选择最恰当的回答。
A. Yes, I will.
B. Yes, it is.
C. Sorry for that.
D. Sorry, that's wrong.
听录音,选择最恰当的回答。
A. OK, I like going by train.
B. I will drive to work.
C. OK, let's go by air.
D. OK, I'l find the plan.
听录音,选择最恰当的回答。
A. I type very fast.
B. OK,just a minute.
C. I don't have a printer.
D. The post office is closed.