【单选题】-- Who are you going with? -- ____________________
【单选题】— What's your father? — ____. [ ]
A.
My father is an engineer
B.
My father's name is Wu Wei
【单选题】A、B两小球都在水平面上做匀速圆周运动,A球的轨道半径是B球轨道半径的2倍,A的转速为30 r/min,B的转速为15 r/min.则两球的向心加速度之比为( )
【单选题】Which of the following statements is TRUE of 'my father' ?
A.
My father was an optimist.
B.
My father didn' t like to take any preventive measures.
C.
My father often visited doctors.
D.
My father was wise enough to mind his own health.
【单选题】Mr. Brown is a friend __________. [ ]
【单选题】城市规划管理必须树立和落实科学发展观,科学发展观的本质和核心是( )。