—How much is for a schoolbag? —Experts say students should carry more than 10 or 15 perce

问题补充：

—How much is for a schoolbag?

—Experts say students should carry more than 10 or 15 percent of their body weight.

A. far more; no

B. too much; not

C. very much; any

D. many more; much

答案：

A. far more; no

(答案→)B. too much; not

C. very much; any

D. many more; much

解析：这题考查词组;第一空填too much“太多”，第二空填not ，not more than“最多”，句意是：--对书包来说多少是太多？--专家说学生背的东西最多是身体重量的10%或15%选B。