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【单选题】
下列各式能用完全平方式进行分解因式的是( )A.
x²+1
B.
x²+2x-1
C.
x²+x+1
D.
x²-4x+4
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反馈参考答案：
举一反三
【单选题】矛盾同一性在事物发展中的作用是( )。
A.
调和矛盾双方的对立
B.
规定事物向自己的对立面转化的基本趋势
C.
使矛盾双方都发生变化
D.
提供矛盾双方得以存在和发展的条件
【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】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...
【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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