问题
单项选择题 案例分析题
多种原因可以影响人体能量代谢，人体可以根据能量代谢增长情况调节机体器官功能。
人体在劳动状态下的主要产热器官是（）。
A.脑组织
B.心
C.肝
D.骨骼肌
E.皮肤
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
多种原因可以影响人体能量代谢，人体可以根据能量代谢增长情况调节机体器官功能。
人体在劳动状态下的主要产热器官是（）。
A.脑组织
B.心
C.肝
D.骨骼肌
E.皮肤
参考答案：D
There are many ways for us to reduce (减少) waste. For example, we can reuse paper and plastic bags. We can also recycle newspapers, glass, and cans (易拉罐) 1 new things. Here are some useful 2 to reduce waste. Write on both sides of paper Many people write on only one side of their paper. Why not try using both sides? Some students only use half the pages of their 3 before getting new ones. Try to use up all the paper. People often give cards on birthdays or festivals. How about trying to 4 e-cards (电子贺卡) instead? Don’t throw away your old batteries (电池) Maybe you do not know that old batteries make the soil 5 . This is because they have poisonous (有毒的) parts in 6 . So, don’t throw away batteries. 7 them together. Try to use rechargeable (充电的) batteries for your games and CD players. Give 8 all your unwanted clothes There are many poor families in China. You may ask your mother to keep your unwanted clothes. Then you can pass them on to those poor children. You will feel happy that you are 9 someone else. Also, you can see 10 your friends or relatives (亲戚) want them before throwing them away.
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