题目内容

Youneed good shoes for jogging.

A. 对
B. 错

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Hobbiestake a lot of time.

A. 对
B. 错

Youalways sleep after a game ofvolleyball.

A. 对
B. 错

Work with a partner and discuss thepros and cons of extreme sports.

测定水分含量时称样数量一般控制在其干燥后的残留物质量在（）为宜。