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【单选题】
小功率直流稳压电源一般由变压器、( )、( )和( )四个环节组成。A.
整流、滤波、放大
B.
整流、滤波、稳压
C.
整流、放大、滤波
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【单选题】John Brown is our English teacher. We call him _______. [ ]
A.
Mr. John
B.
Mrs. Brown
C.
Mr. Brown
D.
Sir John
【单选题】My uncle is John Smith. We can call（称呼）him _______.
A.
Mrs. Smith
B.
Mr. Smith
C.
Ms. Smith
D.
Mr. John
【单选题】If the receiver is Mr. John E. Smith, his surname is _____.
A.
John
B.
E.
C.
Smith
D.
John E.
【单选题】What will happen next Wednesday?
A.
Mr. John Koza will meet with Mr. Robert Wright.
B.
The new rules will be published.
C.
Mr. John Koza will send Mr. Robert Wright the revised rules.
D.
The new rules will be reviewed by Mr. Robert Wright.
【单选题】The boss requires that John —————— at the company by ten．
A.
is
B.
will be
C.
be
D.
would be
【单选题】Mr John requires each of his students ______ a composition every other week.
A.
writing
B.
writes
C.
to write
D.
to have written
【简答题】阅读理解。 She Is Looking for Me Mr. John and Mr. Brown work in the same office. One day Mr. John says to Mr. Brown, 'I will have a small party in our house on Monday evening. Would you and your wife like ...
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