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【单选题】
S7-300中央机架的7号槽的4AI/2AO模块的模拟量输出字地址为( )A.
QB304和QB306
B.
QB304和QB306
C.
QW308和QW310
D.
QW312和QW314
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】When Gail Buchalter was chased by the three men, she was saved by _________.
A.
her husband
B.
her dogs
C.
her gun
D.
her son
【单选题】—What does this sign mean, Miss Chen? —Oh, it says that we ________take photos here.
A.
needn’t
B.
may not
C.
mustn’t
【单选题】图(a)所示刚架,基本体系取为图(b),力法方程写为 δ 11 X 1 +Δ 1c =Δ 1 ,其中 Δ 1 应为:( )
【单选题】A hibernating animal ______ any food all through the winter,______?
A.
needn't...needn't it
B.
doesn't need...does it
C.
needs...doesn't it
D.
needn't...does it
【简答题】图(a)所示刚架，基本体系取为图(b)，力法方程写为δ 11 X 1 +△ 1c =△ 1 ，其中△，应为：( )。 A．0 B．＜0 C．＞0 D．1
【单选题】That's one of those questions that ________.
A.
needn't to be answered
B.
needn't to answer
C.
needn't be answered
D.
needn't answer
【单选题】When Gail Buchalter wa chased by the three men, she was saved by ____________.
A.
her gun
B.
her son
C.
her husband
D.
her dogs
【单选题】You ______ do that again. It's a waste of time. [ ]
A.
needn't
B.
don't need
C.
need to
D.
needn't to
相关题目：
【单选题】图(a)所示刚架,基本体系取为图(b),力法方程写为 δ 11 X 1 +Δ 1c =Δ 1 ,其中 Δ 1 应为:( )