A.锡B.稀土C.铜D.煤北方地区主要的矿产资源有（）。……

单项选择题弯道跑时，右脚用哪个部位着地（）

A、脚掌外侧
B、脚掌内侧
C、全脚掌

未分类题选词填空：Unfortunately, life is not a bed of roses.

问答题翻译：Think about driving a route that’s very familiar.

未分类题阅读4：Many people talked of the 288,000 new jobs the Labor Department reported for June

未分类题作文1：Suppose your university is going to host a summer camp for high school students. Write a notice to