观察下列图片,其中所反映的历史朝代最早的是 ( )
C
第一幅图片是秦兵马俑,第二幅是唐三彩,第三幅是商周青铜器,第四幅是《窦娥冤》 图片。
Questions 24-30
Which of the following is NOT a reason why Americans are consuming more and more fast food at restaurants
A.Fast food is often the cheapest.
B.Fast food is believed to be nutritious.
C.Americans simply like fast foo
已知函数f(x)=|2x-1-1|,a<b<c,且f(a)>f(c)>f(b),则必有()。
A.a<1,b<1,c<1
B.a<1,b≥1,c>1
C.2-a<2c
D.2a+2c<4