下列说法正确的是[ ]

A、本初子午线是180°经线

B、本初子午线是0°经线

C、所有的经线都是一个圆

D、20°E与20°W组成一个经线圈

单词拼写。

1. We should pay more attention to our p             (发音) when we speak English.

2. Don't stay up too late, or you'll feel s             (瞌睡) in the daytime.

3. She loves music that has great l             (歌词).

4. The super star a             (露面) at the fashion show last week.

5. In w (西方)             countries people play jokes on each other on April Fools' Day.