分析下面的JavaScript语句:str=“This app costs”+5+0.5;执行后str的结果是_。(2.0)
A: “This apple costs”5.5
B: This apple costs50.5
C: “This apple costs”50.5
D: This apple costs5.5
A: “This apple costs”5.5
B: This apple costs50.5
C: “This apple costs”50.5
D: This apple costs5.5
举一反三
- 分析下面的JavaScript语句：str="Thisapplecosts"+50.5；执行后str的结果是（） A: Thisapplecosts50.5 B: Thisapplecosts5.5 C: "Thisapplecosts"50.5 D: "Thisapplecosts"5.5
- Which of the following are costs incurred by people trying to protect themselves from the effects of inflation?? menu costs but not shoeleather costs|shoeleather costs but not menu costs|menu costs and shoeleather costs|menu costs but not shoeleather costs
- Costs that change with the level of production are referred to as ________. A: fixed costs B: variable costs C: target costs D: total costs
- Which of the following costs are always irrelevant in decision making? A: avoidable costs B: sunk costs C: opportunity costs D: fixed costs
- Which two basic costs are considered in the basic EOQ model?() A: Inventory carrying costs B: interest costs C: order costs D: obsolescence costs