A:①④⑥⑦
B:③④⑤
C:②③④⑤⑦
D:全部
下列说法中正确的是( )
—The weather turns out to be fine.
— We can depend on ___ that the goods will be shipped to the flooded area on time.
数轴上标出若干个点,每相邻两点相距一个单位,点A,B,C,D分别表示整数a,b,c,d,且d-2a=10,则原点在( )的位置。