保险按经营实施方式可分为( )。
A．自愿保险
B．原保险
C．人寿保险
D．强制保险
E．财产保险
参考答案：A,E
翻译画线部分。
1. I have some new words for you. _______________
2. Yesterday was February fourteenth. _______________
3. I play cards. _______________
4. I talked a great trip! _______________
5. I wanted to buy a gift for you. _______________
曲轴红套滑移将直接影响（）的各缸定时、燃烧和功率。
A．曲轴
D．曲轴尾端曲柄
C．滑移曲柄以前
D．滑移曲柄以后
