【单选题】母线涂漆的作用是 区别极性和提高载流能力,并具有防腐作用。
【简答题】Who use steamboats today? The ______.
【简答题】考虑排水量长度系数对船舶阻力性能的影响,中、低速船的排水量长度系数一般宜取适当_______________一些。
【简答题】母线涂漆的作用是()、区别极性和提高载流能力,并具有防腐作用。
【单选题】Who are allowed to use credit cards in the United States?
A.
Those who are authorized to spend money.
B.
Those who can make regular payments.
C.
Those who can afford to pay interest on the unpaid of the charges.
D.
Those who are very rich.
【判断题】Anyone who is bilingual can be a translator.
【简答题】A person who pays money for the use of a house or land is a r______.