河北省大力发展反季节蔬菜、花卉、草皮和中高档水果的主要原因是[ ]
A.粮食过剩
B.满足北京、天津的市场需要
C.农业用水不足
D.土地盐碱化
答案:B
首字母填词。
1. He gave his daughter a large a______ of money.
2. Bread is baked in an o______.
3. You should a_____ some water to the soup.
4. We need two t_____ of honey.
5. How m______ yogurt do you want to buy?
空调系统常见的空调送风方式有哪些?