(2011年龙岩调研)弹簧振子在光滑水平面上做简谐运动，在振子向平衡位置运动的过
题型：选择题
问题：
(2011年龙岩调研)弹簧振子在光滑水平面上做简谐运动，在振子向平衡位置运动的过程中( )
A．振子所受的回复力逐渐增大
B．振子的位移逐渐增大
C．振子的速度逐渐减小
D．振子的加速度逐渐减小
题型：选择题
用适当的形容词或副词填空(首字母已给出)
1. A large number of mouths must be fed in those less d______ countries.
2. That evening Beethoven played the music for the girl as well as u______.
3. Hawaii is f_______ for its beautiful beaches.
4. He often takes an a______ part in the sports meeting and he can get very good results each time.
5. The performance was so w_______ that everyone gave a long and loud applause(鼓掌).
6. Jiefang Road is the b_____ street in our city.
7. She lay a______ for hours thinking over her business.
8. I like ball games very much, but my f_______ sport is playing basketball.
9. The boy is too l______. He doesn’t want to do anything.
10. The dictionary is very u________. It will hel
p you a lot.
