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【单选题】
数值可以直接相加总的指标是( )
A.
相对数
B.
平均数
C.
时期数
D.
时点数
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参考答案:
举一反三
【判断题】通过改变熔合比,可以改变焊缝金属的化学成分。
A.
正确
B.
错误
【单选题】Could you recommend me _______?
A.
which science fiction story should I read
B.
that science fiction story should I read
C.
which science fiction story I should read
D.
that science fiction story I should read
【多选题】Which of the following statements about science fiction are TRUE?
A.
It has been one of the most popular types of genre fiction for a very long time.
B.
Science fiction is a kind of literature that could only be produced by societies filled with technology.
C.
All the things we worry about in our daily lives are the main subjects of science fiction.
D.
Science fiction has nothing to do with solving the problems of our modern world.
【单选题】Science Fiction? Not Any More Science fiction has often been the source of inspiration for new technologies. The exoskeletons and head-mounted displays featured in the film 'Aliens', for example, spaw...
A.
science fiction.
B.
personalized ring tones.
C.
Star Trek fans.
D.
Vocera badges.
【单选题】由关系式Ww=θWb+(1—θ)Wd可以看出,通过改变熔合比可以改变焊缝金属的( )
A.
化学成分
B.
结构刚性
C.
焊接缺陷
D.
接头形式
【多选题】人类学家理查德·史威德另辟蹊径地提出了一个极富影响力的理论。他认为,人类拥有如下道德基础( )。
A.
自主性的道德
B.
社会性的道德
C.
自然道德
D.
神性的道德
【简答题】A.Science fiction writers can foretell things. B.Science develops as fast as is predicted by writers. C.Science develops faster than writers can imagine. D.Science fiction writers can see how science ...
【判断题】通过改变熔合比,可以改变焊缝金属的化学成分。
A.
正确
B.
错误
【简答题】What elements does science fiction have, as prose fiction does?
【判断题】通过改变熔合比的大小,可以改变焊缝金属的化学成分。 ( )
A.
正确
B.
错误
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