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【单选题】
评价临床试验效果的主要指标是A.
标化率
B.
率
C.
引入率
D.
有效率
E.
失访率
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举一反三
【单选题】Which of the following is NOT a type of institution in U.S.?
A.
Two-year college.
B.
Three-year college.
C.
Four-year college.
D.
University.
【单选题】悬停状态的六轴飞行器如何实现向前移动[1分]
A.
纵轴右侧的螺旋桨减速,纵轴左侧的螺旋桨加速
B.
横轴前侧的螺旋桨减速,横轴左侧的螺旋桨加速
C.
横轴前侧的螺旋桨加速,纵轴左侧的螺旋桨减速
【单选题】Since she met some disabled young girls at college, she got ______ thinking about creating movies that tell people more about their world.
A.
to
B.
up
C.
on
D.
off
【单选题】The following diagram shows the temperature of Yantai in a year. Which month is the hottest in a year? [ ]
A.
January.
B.
June.
C.
August.
D.
December.
【简答题】On the fifth day of the fifth month of the Chinese lunar calendar（农历）, which is Wednesday this year, all Chinese celebrate one of their traditional festivals, the Dagon Boat Festival, or Dragon Boat F...
【单选题】Social customs and ways of behaving change. Things which were considered impolite many years ago are now acceptable. Just a few years ago, it was considered impolite behaviour for a man to smoke on th...
A.
He should find an excuse.
B.
He should ask for excuse.
C.
He should say 'Sorry'
D.
He should telephone to explain his being late.
【单选题】Which is NOT mentioned by Collins in the international biotechnology forum?
A.
Within 30 years, humans could be debating whether to take charge of their own evolution.
B.
By 2010, there could be predictive tests for at least 12 hereditary conditions.
C.
Scientists would understand the role that genes played in most common diseases.
D.
Embryoes developed by in vitro fertilization methods would be routinely scanned for genetic illnesses.
【简答题】开关磁阻电机调速系统有哪些特点?
【单选题】We used to work in the same office and we____ often have coffee together, which I missed so much years later.
A.
would
B.
should
C.
could
D.
might
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