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【单选题】
如果U是全集,M,P,S是U的三个子集,则阴影部分所代表的集合是A.
(M∩P)∩S
B.
(M∩P)∪S
C.
(M∩P)∩ S
D.
(M∩P)∪ S
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【单选题】There are features of Western culture which are present in West Africa_____.
A.
This fact makes it easier to accept the unfamiliarity of West Africa.
B.
This fact makes West Africa seem even stranger.
C.
This fact makes no difference to our reaction to West Africa.
D.
This fact has been greatly overemphasized.
【判断题】进行定位控制时，目标位置的指定，可以用两种方式：一是指定当前位置到目标位置的位移量；另一种是直接指定目标位置对于原点的坐标值，PLC根据当前位置信息自动计算目标位置的位移量，实现定位控制。前者为相对驱动方式，后者为绝对驱动方式。
A.
正确
B.
错误
【简答题】介绍、名片、电话礼仪 习题-填空题.doc
【简答题】Botswana lies immediately to the north of South Africa. It is bordered on the north and west by Namibia, on the north and east by Zimbabwe, and is connected by a narrow strip of land on the northern b...
【单选题】The cost of living in Liberia, West Africa, has ______ in the past five years because of the internal conflicts.
A.
skyrocketed
B.
outer-spaced
C.
overestimated
D.
under-questioned
【单选题】Liberia, the oldest independent Negro state in West Africa, has been struggling for survival ever since its foundation in 1822. Progress has been hampered by constant hostility between tile American N...
A.
a trade surplus
B.
finances
C.
loans to other countries
D.
suspicious neighbors
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