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【单选题】
癞皮病是由于哪种营养素缺乏引起的A.
维生素B1
B.
维生素B2
C.
维生素E
D.
维生素PP
E.
维生素B6
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举一反三
【单选题】The amount of time a person sits during the day is associated with a higher risk of heart disease, diabetes, cancer, and death, regardless of regular exercise, according to a recent study. More than o...
A.
Regular exercise will help counteract the negative effects of being sedentary.
B.
Physical activity alone may not be enough to reduce the risk for disease.
C.
Sitting still causes some types of heart disease and cancer.
D.
Watching television while on a treadmill is considered sedentary time.
【单选题】听力原文：W：I'm so sorry for being late．You must have been waiting for a long time． M：That's all right．Actually，I got here just a couple of minutes ago． Q：What does the man imply? (14)
A.
He nearly missed the appointment.
B.
He also felt sorry for being late.
C.
He didn't arrive so early either.
D.
He is 'all right now.
【简答题】PART TWO You work for Global institute inc. , which produces softwares. You are responsible for Quality Management System. Study the following graph which shows the effort taken by your company and IB...
【单选题】测段改正后高差为( )。
A.
该段实测高差+该段高差改正数
B.
该段实测高差-该段高差改正数
C.
该段实测高差闭合差+该段高差改正数
D.
该段实测高差闭合差-该段高差改正数
【单选题】一 I still cannot figure out why he missed his flight . 一 He an accident on the way to the airport .
A.
could have had
B.
should have had
C.
would have had
D.
must have had
【单选题】Which of the following sentences does NOT express a presumption?
A.
Why isn't he here? He must have missed the train.
B.
Bad seeds must bring bad crops.
C.
He can't have been to your home. He doesn't know your address.
D.
You must be Mr Jones.
【单选题】You've made some progress in your study.But it still remains ().
A.
improving
B.
improvement
C.
to improve
D.
to be improved
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