近年来，我国北方沙尘暴频繁发生，下列措施对治沙可能造成不利的是（ ） A．南水北
题型：选择题
问题：
近年来，我国北方沙尘暴频繁发生，下列措施对治沙可能造成不利的是（ ）
A．南水北调
B．建防护林
C．退耕还草
D．扩大畜牧业发展
题型：选择题
| 从A、B、C中选择恰当的一项填入括号内，补全对话。 |
( ) 1. | A. Hi, John. B. Hello. What's your name? C. See you, John. |
( ) 2. | A. Hi, thank you. B. Good morning, Miss. C. OK. Great. |
( ) 3. | A. Hello. Let's go to school. B. Nice to meet you. C. Good afternoon. |
( ) 4. | A. Fine. This is Tom. B. Very well. Thank you. C. How are you, Mike? |
( ) 5. | A. I like red. B. Me too. C. Good morning. |
( ) 6. | A. Hi, Zoom. B. Hello, this is Zoom. C. I'm fine, thank you. |