下列关于新陈代谢的叙述正确的是

题干

下列关于新陈代谢的叙述正确的是（）

A：发烧的病人消化不良，主要原因是体温过高减弱了消化酶的活性

B：运动员在100m赛跑时，腿部肌肉的能量供应主要来自此时所进行的有氧呼吸

C：淀粉是贮存能量的化合物，可以为植物细胞直接供能

D：同化作用在先，异化作用在后

上一题下一题 0.0难度选择题更新时间:2013-01-21 03:44:44

A

B

Happy Middle School

We're a bilingual(双语的) school for children of 6～15.We want a cook，a library assistant, a sports coach and a language teacher.

Jobs	Ages	Languages	Skills(技能)	Others
cook	25～40	Chinese	can cook Chinese and Western food	healthy
library assistant	20～35	Chinese， English	can read different kinds of books	careful
sports coach	20～40	Chinese, English	major in(主修) P．E.	healthy and strong
language teacher	—	Chinese, English	major in English	—