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【单选题】
下列哪个不属于挖掘机组合动臂的特点( )。
A.
结构复杂
B.
质量较大
C.
刚度大
D.
通用性好
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参考答案:
举一反三
【单选题】Companies that adopt value-added pricing ________.
A.
consider value-added features as a fitting substitute for aggressive cost cutting
B.
set incredibly low prices to meet competition
C.
attach value-added features and services to differentiate their offers and support their higher prices
D.
overprice their products without any apparent justification
【单选题】Why won't Helen go to the concert?
A.
She has too much to do.
B.
She is ill.
C.
She wants to study.
【单选题】— Have you been to Paris? —________.
A.
No, I didn’t go there last year.
B.
No, but I hope to go there sometime next year.
C.
Paris is a nice place to visit.
D.
No, it was a long time ago.
【判断题】中共十九大为新时代与新征程提供了新的行动指南:习近平新时代中国特色社会主义思想。
A.
正确
B.
错误
【单选题】This passage doesn't tell us that______.
A.
Paris is an exciting place for people to live in
B.
big cities have a lot of serious problems
C.
people in big cities usually are very dirty
【单选题】4 0 、葡萄糖与莫立许试剂反应现象( )
A.
蓝色光环
B.
紫色光环
C.
鲜红色光环
D.
黄色光环
【单选题】Mary hasn't been to Paris. Her sister Nancy hasn't been to Paris , ---------- .
A.
too
B.
either
C.
also
D.
yet
【判断题】中共十九大为新时代与新征程提供了新的行动指南:中国特色社会主义理论
A.
正确
B.
错误
【单选题】How about _____ to Paris for a holiday ? [     ]
A.
go
B.
goes
C.
going
D.
doesn't
【单选题】不可约多项式f(x)的因式有哪些?
A.
只有零次多项式
B.
只有零次多项式和f(x)的相伴元
C.
只有f(x)的相伴元
D.
根据f(x)的具体情况而定
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