【单选题】若手术后发生腹部切口裂开,下列哪项做法错误()
【简答题】Welding machine can supply the proper amperage and _________.
【单选题】AC welding machine can be used on ( ).
【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 __________.
【单选题】在保险利益原则中,投保时投保人必须对保险标的具有保险利益,但在索赔时保险人不追究有无保险利益的规定,适用的险种是( )。
【单选题】在保险利益原则中,投保时投保人必须具有保险利益,但在索赔时保险人不追究有无保险利益的规定,适用的险种是( )。
【判断题】There are two types of welding machine, AC welding machine and DC welding machine.
【单选题】AC welding machine can be used on ( ).