-- Could you tell me __________ yesterday?
-- Because my bike was broken on my way here.
A:why you came late
B:why do you come late
C:why you come late
D:why did you come late
“开元盛世”被很多史学家称为中国古代历史上最为繁荣昌盛的时期,“开元盛世”之后,唐朝逐渐走向衰落。唐朝由盛转衰的转折点是( )
对于北方地区的农业说法正确的是( )
如图,一个点从数轴上的原点开始,先向右移动3个单位长度,再向左移动5个单位长度,可以看到终点表示的数是﹣2.
已知点A是数轴上的点,完成下列各题: