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【单选题】
设函数f(x)＝2sin0.5x , 则其在x＝π处的函数值f(π)＝( )A.
1
B.
2
C.
3
D.
4
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【单选题】Several (people) in the crowd seemed (as) they were fighting (for) a (ticket).
A.
people
B.
as
C.
for
D.
ticket
【单选题】It is implied in the last sentence that______.
A.
many scientific areas stop making breakthroughs for lack of effective data collection
B.
scientific research still makes progress without large-scale survey data
C.
the progress of knowledge depends on achievements made by all areas of science together
D.
scientific research has made little progress before the widespread adoption of the Internet
【单选题】“It was several years before other sports were added.”Which of the following means the same?
A.
Before several years passed，other sports were added.
B.
Other sports were not added until several years later.
C.
Several years passed after other sports were added.
【单选题】A2 题型 27岁女,第一胎38周临产,因反复的无痛性阴道出血,诊断为前置胎盘,禁止做的检查是
A.
肛门检查
B.
大、小便常规
C.
B型超声
D.
血常规
E.
腹部检查
【单选题】The board of trustees agreed to the plan ______,but there were several details they didn't like.
A.
in principle
B.
in practice
C.
in essence
D.
in theory
【单选题】. Great ____have been made in the field of computer science in the past decades.
A.
progress
B.
breakthroughs
C.
mistakes
D.
assessments
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