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【单选题】
超低空无人机任务高度一般在( )之间.A.
0~100m
B.
100~1000m
C.
0~50m
D.
1000-7000m
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举一反三
【单选题】In China, all the students work hard at school _________ going to university for higher education in the future.
A.
in the habit of
B.
in the hope of
C.
in search of
D.
in honor of
【简答题】矛盾同一性在事物发展中的作用是（ ）。
【单选题】At present, ________ of higher education, especially non-government funded higher Education, has become the bottleneck restraining the development of China's higher education.
A.
under-capitalization
B.
under-lying
C.
over -capitalization
D.
over-whelming
【简答题】一能量为10 12 eV的宇宙射线粒子,射入一氖管中,氖管内充有 0.1 mol的氖气,若宇宙射线粒子的能量全部被氖气分子所吸收,则氖气温度升高了______×10 -7 K.(1 eV=1.60×10 -19 J,普适气体常量R=8.31 J/(mol·K))(填3个数字+小数点)
【简答题】A．Because China's photographic market has a higher growth rate than the U. S. B．Because there is no photographic products in major Chinese cities and rural areas. C．Because there's vast market potenti...
【简答题】. 一个能量为 eV 的宇宙射线粒子,射入含有 mol 氖的氖管中,如粒子的能量全部被氖气所吸收,转化为热运动能量,氖气温度会升高多少?
【单选题】Higher education in China is free but the _______ for entrance is strong.
A.
comparison
B.
consequence
C.
competition
D.
crawl
【单选题】Hainan is _______-island.
A.
China ’s second largest
B.
the China ’s second largest
C.
the second China ’s largest
D.
China’s the second largest
【单选题】设char *s='china'；则printf('%s，%c，%c/n'，s，*s，s[3])；的输出是( )
A.
china，c，n
B.
china，china，i
C.
c，c，n
D.
china，china，n
【单选题】Which of the following does not belong to the three principal functions of U.S. higher education?
A.
Teaching.
B.
Research.
C.
Public service.
D.
Social charity.
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