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【单选题】
针对是否对无效数据尽心测试,可以将等价类测试划分为 (B)1) 标准(一般)等价类测试2)健壮等价类测试3)若等价类测试4)强等价类测试
A.
3 ) 4 )
B.
1 ) 2 )
C.
1 ) 3 )
D.
2 ) 4 )
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【单选题】1876-1878 年,恩格斯写出了( ),全面阐述了马克思主义理论体系。
A.
《反杜林论》
B.
《哥达纲领批判》
C.
《共产党宣言》
D.
《资本论》
【单选题】Great changes ___________ in my hometown over the years. A. take place B. have taken place C. is taking place D. taked place
A.
take place
B.
have taken place
C.
is taking place
D.
taked place
【单选题】关于电场线以下说法错误 的是 ( )
A.
电场线起于正电荷,至于负电荷或无穷远处
B.
电场线的疏密能定量描述电场的大小
C.
任意两条 电场线永不相交
D.
电场线中间不间断
【单选题】What kind of problem can be solved by the new technology?
A.
It can help mankind solve the problem of planting tomatoes.
B.
It can help mankind solve the problem of watering.
C.
It can help. mankind solve the problem of salt.
D.
It can help mankind solve the problem of feeding its population.
【单选题】Can you tell me the best way _____ the problem? [     ]
A.
solve
B.
solved
C.
to solve
D.
solving
【单选题】Peace and development remain the permanent themes of our times, _____ the world we live in is anything but quiet. [     ]
A.
and
B.
if
C.
so
D.
but
【简答题】1876-1878年,恩格斯写出了( ),全面阐述了马克思主义理论体系。
【单选题】Only with this can you solve the problem.
A.
way
B.
means
C.
approach
D.
method
【单选题】关于电场线以下说法错误的是 ( )
A.
电场线总是从正电荷(或无穷远)到负电荷(或无穷远)
B.
电场线不相交也不相切
C.
电场线密集的地方,电场较强
D.
电场线是电荷运动的轨迹
【单选题】Only in this way ______ solve the problem.
A.
can you
B.
you can
C.
you will
D.
will you able to
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