皮皮学，免费搜题
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搜题
【单选题】
S7-224XP AC/DC/RLP集成了6点高速计数器,可以配置为12种模式,其中模式9为( )。A.
A/B相正交计数器，无启动输入，无复位输入。
B.
带有增计数和减计数时钟脉冲输入双相计数器，无启动输入，使用复位输入。
C.
A/B相正交计数器， 无启动输入，使用复位输入。
D.
A/B相正交计数器，使用启动输入和复位输入。
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】The protagonist of this novel is
A.
Mr. Perkins
B.
Mr. Weaver
C.
Mr. Mulholland
D.
Mr. Temple
【单选题】I think this novel is suitable for you middle school students, for it is written in plain Englis
A.
86. I think this novel is suitable for you middle school students, for it is written in plain English. The underlined word means _____. A．old
B.
modern
C.
simple
D.
Complicated
【简答题】This novel is______ piece.
【单选题】This novel is worth reading, because it gives a detailed description of the historical ______in 1949.
A.
accidents
B.
cases
C.
events
D.
things
【单选题】I think this novel is suitable for you middle school students, for it is written in plain EnglishThe underlined word means_____.
A.
old
B.
modern
C.
simple
D.
complicated
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