下列产品不属于发酵产品的是[ ]
A.抗生素
B.饮料
C.酒精
D.粉笔
答案:D
东西半球的分界线是( )
A.20°W经线和160°E经线
B.赤道
C.20°E经线和160°W经线
D.本初子午线
The line of people outside the house ____ endless on that morning of the day. [ ]
A. is
B. are
C. was
D. were