问题
填空题
补全句子。
1. My mother goes to work bus.
2. John usually _____football with his friends.
3. We ____mountains last Sunday morning.
4. _____ he go fishing with you yesterday?
5. Last Monday, I ____to the library.
答案
1. by 2. plays 3. climded 4. Did 5. went
C(g) +D(g)过程中的能量变化如图所示，回答下列问题。