北魏贾思勰撰写的一部重要的农业科学著作是()
A.《农书》
B.《农政全书》
C.《齐民要术》
D.《农桑辑要》
参考答案:C
一 Each time you want a cigarette, think twice, and have an apple instead.
一 Sorry, but I couldn't digest _____ many apples. [ ]
A. that
B. such
C. rather
D. quite
如图所示,张晓用他自己的刻度尺(零刻线已磨损)测一木块的长度,他所用尺的分度值是 ,该木块的长度是 。