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【多选题】
检修97型25Hz相敏轨道电路,其轨道变压器的变比标准是()。
A.
轨道电路受电端无扼流变压器时,受端轨道变压器变比为40:1
B.
带扼流变压器无适配器时,受端轨道变压器变比为16.3:1
C.
带扼流变压器带适配器时,受端轨道变压器变比为30:1
D.
送端轨道变压器的变比可适当调整
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【单选题】Since she knew nothing about a foreign language, she was ______ by the menu at the restaurant and did not know how to' order.
A.
bewildered
B.
shaken
C.
annoyed
D.
stunned
【单选题】SPWM控制技术中,调制波是等腰三角形,信号波是( )
A.
方波
B.
矩形波
C.
正弦波
D.
任意波
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【简答题】连词成句。 1. matter, the, what, is, ? __________________________________ 2. go, they, a, to, restaurant. __________________________________ 3. would, some, I, like, dumplings. ____________________________...
【简答题】保税区企业进口免税的机器设备填制“进口备案清单”。
【单选题】The main sources of salt in our diet are______.
A.
home-made food and packaged food
B.
restaurant food and saltshakers
C.
home-made food and saltshakers
D.
restaurant food and packaged food
【简答题】男性,25岁,口腔内上下前牙龈乳头消失并凹陷,呈反波浪形,牙龈间乳头颊舌侧分离,可从牙面翻开,下方有牙石、牙垢,无龈坏死。可能的原因是
【单选题】JSP内置对象中,按作用域由小到大的排序是()
A.
session->request->application
B.
request->session->application
C.
application->session->request
D.
session->application->request
【简答题】孔子的仁有什么特点?如何才能实现仁?
【单选题】Where did the woman get the information of applying the job?
A.
From the sign in the restaurant window.
B.
From a friend of hers.
C.
From the want ad in the newspaper.
D.
From an employment bureau.
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