甲、乙两人各自在300米长的直线形跑道上跑步,则在任一时刻两人在跑道上相距不超过50米的概率是 ( )
A:16
B:13
C:1136
D:1536
世界上最大的沙漠是( )
⑴ ____
⑵ ____
⑶ ____
⑷ ____
A. Canada B. UK C. China D. USA
根据句意和首字母提示完成单词拼写。 1.This is a girl .____(她的)name is Alice.2.Nice to m____ you!
3.—What′s your n____? —Jane.4.This is my brother(兄弟). H____ name is Tony.5.Her name is Zhang Lingling. Her l____ name is Zhang.