题目内容：
5. The real solution to the gas shortage problem is 回答.
A. to make less cars
B. to develop a public transportation system
C. to make gas-saving cars
参考答案：
选择题：5. The real solution to the gas shortage problem i
- 题目分类：国家开放大学理工英语1
- 题目类型：选择题
- 查看权限：VIP
.
A. to make less cars
B. to develop a public transportation system
C. to make gas-saving cars