在无专用车道右转时最佳的防御路径是（）
A、减速慢行
B、左右观察
C、快速通过
D、转弯前尽量靠右行驶
参考答案：D
根据句意，用括号内所给单词的适当形式填空。
1. My parents often eat vegetables and other ____ (health) food.
2. Ladies and ____ (gentleman)! Welcome here on this sunny day.
3. ____ (cook) is fun and I love it very much!
4. In the ____ (south) part of China, people usually like eating rice.
5. Help ____ (you) to some chicken soup, kids.
马克思主义产生的经济根源是（）
A.工业革命
B.资本主义经济危机
C.阶级斗争
D.资本主义社会生产力和生产关系的矛盾运动
