问题
选择题
随着人类社会的发展,对人口迁移的影响作用逐步增强的是[ ]
A、自然环境因素
B、政治因素
C、婚姻家庭因素
D、社会经济因素
答案
答案:D
随着人类社会的发展,对人口迁移的影响作用逐步增强的是[ ]
A、自然环境因素
B、政治因素
C、婚姻家庭因素
D、社会经济因素
答案:D
用should/could 的适当形式填空。 |
1. If you want better grades , you ______________ watch TV too much. 2. I don't know how to get to the school. What ____________ I do? 3. -_____________ I use your phone? -Sure. 4. Bill ____________ play the guitar last year, but now he plays it very well. 5. We ____________ give the book to the library on time(按时). |