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【单选题】
Bill wasn't happy about the delay of the report by John, and   ____. [     ]
A.
I was neither
B.
neither was I
C.
I was either
D.
either was I
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举一反三
【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