皮皮学,免费搜题
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【简答题】
How to pass an exam? Everyone wants to know the answer. A good way is to work hard every day. You may fail in an exam if you are lazy for most of the time and only work hard for a few days before the exam. Many students do not know how to learn English well. Some study very hard, but still cannot get a good result. What should you do? Do not just remember words when you are learning English. Try to read stories in English. Speak English as much as you can. Tell stories to your friends in English. A few days before the exam you should relax and go to bed early. Do not study very late at night. Before you start the exam, you should read carefully over the paper. Try to understand the real meaning of each question before you write down the answer. When you finish your exam, you should read your answers again, correct the mistakes and make sure you have not miss anything out.
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【单选题】管螺纹的牙型角是
A.
30°
B.
60°
C.
33°
D.
55°
【单选题】In negotiations with foreign businessmen, Chinese are usually more concerned with ( ).
A.
opening a new overseas market
B.
acquiring advanced technology
C.
earning more foreign exchange
D.
obtaining long-term foreign loans
【单选题】管螺纹的牙型角是( )
A.
55°
B.
60°
C.
30°
D.
55°或60°
【单选题】More foreign universities will jointly establish campuses in Shanghai.
A.
TRUE
B.
FALSE
C.
NOT GIVEN
【单选题】管螺纹的牙型角是:
A.
30°
B.
45°
C.
55°
D.
60°
【单选题】管螺纹的牙型角是( )
A.
30°
B.
60°
C.
45°
D.
55°
【单选题】管螺纹的牙型角是( )度
A.
30
B.
60
C.
55
【单选题】管螺纹的牙型角是( )
A.
55°
B.
60°
C.
30°
D.
55°60°
【简答题】请将数字数据001101010分别使用ASK、FSK、绝对PSK、相对PSK调制方法绘图,并分别使用不归零码、曼切斯特编码和差分曼切斯特方法进行编码。
【单选题】More and more foreign friends enjoy ________to Peking Opera.
A.
listen
B.
to listen
C.
listening
D.
listened