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【单选题】
如果一国的三家汽车公司生产的汽车几乎等于该国全部汽车的产量，并且进口汽车数量非常少，该国汽车方面属于（）。A.
垄断竞争市场
B.
不完全竞争市场
C.
寡头垄断市场
D.
完全垄断市场
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皮皮学刷刷变学霸
举一反三
【单选题】China is getting better at making hi-tech products _________ can be bought in all parts of the world.
A.
who
B.
which
C.
What
【单选题】We have seen your advertisement _____ electronic and hi-fi products in South China Morning Post.
A.
for
B.
on
C.
at
D.
in
【简答题】斗彩先以 料 绘制出部分花纹或花纹轮廓,上釉,烧成瓷又以彩色画完图案再经700—800°C温度烘烧。
【多选题】下列叙述正确的是
A.
MRI是诊断中枢神经系统病变的最佳选择
B.
对肺内病变的诊断优于CT
C.
MRI无骨伪影，能清晰显示后颅凹及颅颈交界区病变
D.
对关节软骨变性与坏死的诊断不如CT
E.
对于体内存留有金属异物者亦能进行检查
【简答题】Although developing hi-tech computerized toys is really a job, the market always responds well to these products.
【简答题】Fit Co specialises in the manufacture of a small range of hi-tech products for the fitness market. They are currently considering the development of a new type of fitness monitor, which would be the f...
【简答题】There are products on show at the Shenzhen Hi-tech Fair.
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