学习动机是指学员进行学习的一种（），它是一种学习的需要，对学习起着推动作用。
A.外部动力
B.内部动力
C.条件
D.结果
参考答案：B
根据句意及所给汉语提示完成单词。
1. Kitty got __________ (结婚) last year. Her husband is a computer programmer.
2. The government have _________ (意识到) water pollution is a very serious problem.
3. Traveling _________ (到国外) has become fashionable.
4. The fans _________ (鼓掌) and screamed when the famous singer appeared on the stage.
5. They are the _________ (设计者) of this product.
在刑事诉讼中，公安机关只对刑事案件的侦查、逮捕予以负责。( )
