【单选题】The largest part of the radiant energy directed toward the earth is ______.
C.
absorbed by the earth' s atmosphere
D.
used for electric power
【单选题】某地2001年200名成年男子身高均数为168.32cm,标准差为8cm,估计身高在184cm以上占总人数的百分比
【单选题】某地2001年200名成年男子身高均数为168.32cm,标准差为8cm,估计身高在184cm占总人数的百分比
【单选题】某地2001年200名成年男子身高均数为168.32cm,标准差为8cm,估计身高在184cm以上占总人数的百分比
【单选题】下列哪种病原体在昆虫体内仅发育不繁殖,有形态改变,无数量增加( )
【单选题】The largest part of our revenue comes from Consumer and Salons activities.
【多选题】以下哪些国际贷款一般必须用于指定的用途或附有特殊条件?( )
【单选题】The part that receives the largest amount of annual rainfall is ( ).
B.
the northern part of England
C.
the northwestern part of Scotland
【单选题】The largest part of the light energy directed towards the earth is__________. 查看材料
A.
stored up by the plants
B.
absorbed by the earth' s atmosphere
C.
stored up by the animals in the form. of body fat
D.
used for electric power
【判断题】气体输送机械按出风压力由小到大,依次分为:通风机、鼓风机、真空泵、压缩机。