A:dared not;there being
B:dare not;there being
C:did not dare;there to be
D:didn’t dare to;there be
我市一家企业生产的“土豆农膜”是一种新型环保农膜,在塑料中添加土豆淀粉,可被细菌和微生物释放的酶分解,使塑料呈多孔状+强度下降。下列有关说法错误的是()
质量M=1kg的物体,在水平拉力F的作用下,沿粗糙水平面运动,经过位移4m时,拉力F停止作用,运动到位移是8m时物体停止,运动过程中EK-S的图线如图所示。求:
Tom: Good evening!
Mary: ____
Tom: ____
Mary: Yes, I'm hungry.
Tom: What's your favourite food?
Mary: I like noodles for dinner.
Tom: Would you like some chicken?
A. Yes,please!
B. Good evening!
C. My favourite food is fish.
D. Are you hungry?
E. What would you like for dinner?
秦朝“在政府组织上,嬴政大帝给中国历代王朝奠定了权威性的规范,使得以后几百个帝王只能在他所想到的圈子里做小小的修正,而无力作巨大改变。”材料中这一“规范”指