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【单选题】
关于n位环形计数器和扭环形计数器说法正确的是( )。 A、n位环形计数器和扭环形计数器有效循环有n个状态。 B、n位环形计数器和扭环形计数器有效循环有2n个状态。 C、n位环形计数器和扭环形计数器有效循环分别n、2n个状态。 D、n位环形计数器和扭环形计数器均是自启动计数器。A.
B.
C.
D.
D
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【单选题】张先生因股骨干骨折行持续骨牵引,其护理错误的是
A.
抬高床头15~30cm
B.
每天用乙醇滴牵引针孔1~2次
C.
保持有效的牵引作用
D.
定时测量肢体长度
E.
避免牵引针左右移动
【单选题】America is the land of the automobile. This country has only 6 percent of the world's population but 46 percent of the world's cars. Right now, there are 97 million【C1】______ cars consuming 75 billion...
A.
personal
B.
individual
C.
private
D.
own
【单选题】张先生因股骨干骨折行持续骨牵引,其护理错误的是
A.
抬高床头15~30Cm
B.
每天用乙醇滴牵引针孔1~2次
C.
保持有效的牵引作用
D.
定时测量肢体长度
E.
避免牵引针左右移动
【单选题】Battleship is ________ film I have ever watched. I have never watched _____ one.
A.
the most exciting; a more exciting
B.
the most excited; a more excited
C.
the most exciting; the more exciting
D.
the most excited; the more excited
【简答题】6. I watched the
waves. A. watched B. the
C. waves
【单选题】Batteship is________film I have ever watched.I have never watched________one.
A.
the most exciting; a more exciting
B.
the most excited; a more excited
C.
the most exciting;the more exciting
D.
the most excited; the more excited
【单选题】The United States is ______ country in the world.
A.
the most populous
B.
the second most populous
C.
the third most populous
D.
the fourth most populous
【单选题】America is the land of the automobile. This country has only 6 percent of the world's population but 46 percent of the world's cars. Right now, there are 97 million privately owned cars consuming 75 b...
A.
Alternate sources of energy must be found
B.
Car pools help to solve some of the energy problem
C.
The automobile uses large amounts of gasoline
D.
Great efforts have been made to solve the energy problem
【单选题】The TV play I watched last night is the best one___I have watched this year. [ ]
A.
which
B.
what
C.
whose
D.
that
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