【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。
【多选题】关于沥青混合料的说法,正确的有
A.
压路机采用2~3台双轮双振压路机及2~3台重量不小于16t胶轮压路机组成
B.
采用雾状喷水法,以保证沥青混合料碾压过程中不粘轮
C.
在当天成型的路面上,不得停放各种机械设备或车辆
E.
压路机不得在未碾压成型路段上转向、掉头、加水或停留
【简答题】According to the passage, who also use marketing techniques to achieve their goals?
【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。
【多选题】关于沥青混合料的说法,正确的有
A.
压路机采用2~3台双轮振动压路机及2~3台重量不小于16t胶轮压路机组成
B.
采用雾状喷水法,以保证沥青混合料碾压过程中不粘轮
C.
在当天成型的路面上,不得停放各种机械设备和车辆
E.
压路机不得在未碾压成型路段上转向、掉头、加水或停留
【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.
【简答题】A person who pays money for the use of a house or land is a r______.