【简答题】A couple of years ago, I went to Australia for a meeting with my friend, Chris. We decided to drive across country to Brisbane after the meeting ended. The drive was going to take four days and most o...
【单选题】The author uses the example of Chris Niedenthal in the first paragraph to illustrate that
A.
Chris Niedenthal is a person with a terrific appetite.
B.
the author is against Chris Niedenthal's diet.
C.
unreasonable diet may contribute to one's overweight.
D.
Chris Niedenthal has a high cholesterol level in his body.
【判断题】键槽中心线的直线度是加工时所要保证的主要位置公差。( )
【单选题】听力原文:Chris: I' ve heard that you used to work for the BBC, is that true? Erwin: Yes, that’s true. I worked as a news journalist for the World Service, specializing in Africa. Chris: Then how could you...
A.
Because he likes diving.
B.
Because he wanted to find a job as a dive master there.
C.
Because he worked for the World Service.
D.
Because he was assigned to Madagascar.
【简答题】80C51单片机中断允许是由 寄存器决定的。
【判断题】键槽中心线的直线度是加工时所要保证的主要位置公差。