【简答题】求下列阴影部分的面积. (1)图1,大圆的直径是60厘米,求阴影部分的面积. (2)求图2阴影部分的面积.
【简答题】( )机务段,以担当货运列车牵引为主,部分旅客列车牵引为辅。
【单选题】欧洲近代以来的工业化活动大致分为几个时期
【单选题】欧洲近代以来的工业化活动大致分为几个时期
【多选题】每种色彩都具有自己不同的色彩语言,其中蓝色给我们的色彩心理是
【单选题】According to the passage, many women preferred regular coffee to instant coffee because ______.
A.
regular coffee tasted better than instant coffee
B.
they intented to do something the hard way
C.
they felt unconciously ashamed of prepairing instant coffee
D.
they don't like to change their way of doing things
【多选题】每种色彩都具有自己不同的色彩语言,其中蓝色给我们的色彩心理是:( )
【单选题】Questions 12 to 15 are based on the passage you have just heard. It has an instant effect on your body chemistry.
A.
It has an instant effect on your body chemistry.
B.
It keeps returning to you every now and then.
C.
It leaves you with a long lasting impression.
D.
It contributes to the shaping of you mind.
【简答题】求阴影部分的面积。 (1)求阴影部分的面积。(单位:米) (2)上图中,空白部分的面积占阴影部分面积的几分之几?
【简答题】求阴影部分的面积,已知长方形的周长是24厘米,求阴影部分的面积.