更多"A rectangular circuit board is desi"的相关试题:
[单项选择]Data from Voyager II have presented astronomers with a {{U}}puzzle{{/U}} about why our outermost planet exists.
A. problem
B. mystery
C. question
D. point
[单项选择]These young people have much to be dissatisfied with, and they sometimes do______, but on the whole they study hard, knowing the problems the states is facing.
A. grumble
B. frustrate
C. frown
D. perplex
[单项选择]This may have preserved the antelope from being wiped out as well as other animals ______.
A. hunted
B. hunting
C. that hunted
D. are hunted
[单项选择]This may have preserved the elephant from being wiped out as well as other animals _________ in Africa.
A. hunted
B. hunting
C. that hunted
D. are hunted
[单项选择]Working parents usually don't have enough time（）with their children.
A. stay
B. stayed
C. to stay
D. staying
[单项选择]
I have been a little bit appalled by the levity with which some of our politicians discuss this issue.（）
A. contempt
B. insecurity
C. frivolity
D. compunction
[单项选择]The board of directors have already discussed the subject ______ in the previous meetings and they will handle it in all its aspects.
A. in place
B. at length
C. on end
D. off and on
[单项选择]The two brothers have a lot in common, but each will develop themselves according to individual
A. engagement
B. destiny
C. temperament
D. ideology
[单项选择]Police have______ to the public to come forward with any information which might help them in their inquiries.
A. urged
B. claimed
C. called
D. appealed
[单项选择]下列哪种组织成分或器官在T1WI及T2WI上均为高信号
A. 空气
B. 肝
C. 脂肪
D. 水
E. 钙化
[单项选择]Wi-Fi联盟制定的安全认证方案WPA（Wi-Fi Protected Access）是（）标准的子集。
A. IEEE 802.11
B. IEEE 802.11a
C. IEEE 802.11b
D. IEEE 802.11i
