你认为法律是对自由的保障,还是对自由的限制?为什么?
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儿童脑脊液压力正常值为
A. 30一60mmH20
B. 40—90mmH20
C. 50—100mmH20
D. 60—120mmH20
E. 70一180mmH20
The project, ______ by the end of 2010, will expand the citys telephone network to cover 1
A. accomplished
B. being accomplished
C. to be accomplished
D. having been accomplished
With some words ______ and others misspelled, the message was pure nonsense.
A. missed
B. missing
C. to be missed
D. to be missing
The police discovered the thiefs hide-out two days later, ______, however, the thieves had
A. by that time
B. then
C. when
D. by which time