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【单选题】
1Conversation-9A.
B.
C.
D.
D
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】若手术后发生腹部切口裂开,下列哪项做法错误()
A.
立即通知医生
B.
立即让病人平卧
C.
立即将脱出的内脏还纳
D.
立即用无菌生理盐水敷料覆盖切口
E.
应用腹带或蝶形胶布固定
【简答题】Welding machine can supply the proper amperage and _________.
【单选题】If planned expenditures equal $13 trillion when real GDP is $13.5 trillion, then
A.
inventories will decrease by $0.5 trillion.
B.
actual investment will exceed planned investment.
C.
there will be excess demand for most goods.
D.
the economy must have a trade surplus to sell the excess goods and services.
【简答题】Welding machine can’t generate the __________.
【简答题】本证激发向半导体提供 ()
【判断题】There are two types of welding machine, AC welding machine and DC welding machine.
A.
正确
B.
错误
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