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【单选题】
下面 对于活动图说明不正确的是 。A.
对对象间的协作关系建模
B.
对系统工作流程建模
C.
对计算流程建模
D.
对业务流程建模
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】White smoke issuing from the exhaust of an auxiliary diesel engine valve opening ____.
A.
the engine is overloaded
B.
the engine is cold
C.
there is too much lube oil in the cylinders
D.
the turbocharger is fouled
【单选题】It sounded like something was wrong with the car’s engine then, ______ they would have carried on their journey.
A.
otherwise
B.
therefore
C.
meanwhile
D.
besides
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