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[判断题]
In the construction of the WDM system, the fiber coiling quality is very important. Th
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Which of he following was not a reason for using bricks in construction?
A.Wood had to be brought from some distance.
B.There was a considerable clay available.
C.The lumbering process depended on good roads.
D.The timber was not of good quality.
A.a coordinate construction
B.an exocentric construction
C.an endocentric construction
D.an immediate constituent
It is stated in paragraph 1 that construction of a new education system __________.
[A]challenges economists and politicians
[B]takes efforts of generations
[C] demands priority from the government
[D] requires sufficient labor force
A.Map;
B. Subscriber complaints
C. Test
D. Frequency
E. Base station cell