【判断题】不同尺寸球形颗粒在同一流体中做沉降运动时,粒径越大的颗粒,沉降速度越大。
【多选题】速卖通平台的多种物流方式,下列哪些物流方式属于商业快递?
【多选题】解决企业人力资源过剩的常用方法有( )。
【简答题】中国古代的城市叫作“城池”,“城”是指城墙,“池”是指()
【单选题】What does the author mean by saying 'put the earth at the top of their agenda' in the beginning sentence of the passage?
A.
The author intends to discuss the issue of global warming with top government leaders.
B.
The author lays stress on the research of the climate of the earth.
C.
The author attaches paramount importance to the protection of the earth's environment.
D.
The author considers the relation between automating and environmental pollution.
【多选题】对 () 的客人尽量安排在离电梯较近的房间。