【判断题】After finishing high school , some students take a year off before going into college or university. It is called a gap year.
【单选题】下列选项中,( )不属于电动汽车四大部件。
【简答题】简要评述多边投资担保机构(MIGA)的表决制度?
【单选题】四冲程发动机一个工作循环曲轴旋转2周,凸轮轴旋转( )。
【单选题】四冲程发动机每完成一个工作循环,曲轴旋转2周,配气机构驱动凸轮轴旋转一周,所以曲轴与凸轮轴的传动比是( )
【单选题】With Mr. Smith ______ at going home, I've ____ a car to pick him up tomorrow. [ ]
C.
aiming ; arranged with
【单选题】Some students take a year off their studies to____________ .
A.
travel around the world