【判断题】【 第七单元 】 进行反接制动时,当转速接近于零时要及时切断直流电源。
【判断题】液体流动中的压力损失可分为入口压力损失和出口压力损失。()
【单选题】如果一个元素外层套用了CSS样式,内层套用了HTML样式,起作用的是_。
【判断题】进行反接制动时,当转速接近于零时要及时切断直流电源。
【单选题】Which of the following is true of a voluntary export restraint (VER)?
A.
a. A voluntary export restraint ensures that foreign exporting firms are unable to exercise monopoly power.
B.
b. A voluntary export restraint usually requires that the foreign exporting firms act like a cartel, restricting sales and raising prices.
C.
c. A voluntary export restraint generates more revenue for the government than a tariff or quota.
D.
d. Voluntary export restraints have only been used by the poor and developing nations to protect their domestic industries.
【简答题】“Voluntary”Export Quotas
【简答题】voluntary export restraints