通过经线最多的大洋是[ ]
A.太平洋
B.大西洋
C.印度洋
D.北冰洋
答案:D
平面上有三点,经过其中任意两点画一条直线,共可画( )
A.一条直线
B.两条直线
C.三条直线
D.一条或三条直线
— How many girls are there in our class?
— In our class _____ of the students are girls. [ ]
A. two fifth
B. two fifths
C. second fifths