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【单选题】
It can be inferred form. the passage that people become old when__________ ．A.
cell daamage is fierce and invisible
B.
cell contests are too fierce to control
C.
cell repair is slower than cell damage
D.
cells stop repairing damage done to them
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皮皮学刷刷变学霸
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【简答题】A．状态图和活动图 B．用例图和活动图 C．序列图和协作图 D．活动图和协作图
【单选题】The physical differences between men and women can be ______ directly to our basic roles as hunters and child-bearers.
A.
switched
B.
followed
C.
traced
D.
pursued
【简答题】A．序列图和协作图 B．用例图和活动图 C．状态图和活动图 D．用例图和构件图
【单选题】The physical differences between men and women can be _____ directly to our basic roles as hunters and child-bearers.
A.
pursued
B.
traced
C.
switched
D.
followed
【简答题】A．状态图和类图 B．类图和活动图 C．对象图和状态图 D．状态图和活动图
【简答题】A．状态图和活动图 B．用例图和活动图 C．序列图和仂、作图 D．活动图和协作图
【单选题】用漏光法检查活塞环密封性时,要求一处漏光弧度不超过 ,几处漏光弧度之和不超过 。
A.
10°/ 30°
B.
20°/ 50°
C.
30°/90°
D.
45°/120°
【简答题】活动图与状态图的区别?
【简答题】A．序列图和协作图 B．用例图和活动图 C．状态图和活动图 D．用例图和构件图
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