题目

分解代谢应指 ①吸收营养物质  ②合成自身物质  ③分解自身物质  ④储存能量  ⑤释放能量    ⑥排出代谢终产物 A.①②④                             B.②                                      C.③                             D.③⑤⑥          答案：D 解析: 分解代谢是指分解自身物质、储存能、释放能量以及排出代谢终产物当你去拜访朋友，进入他家之前，你应该先脱鞋。When you visit a friend, you should ________ ________ your shoes before entering his home.