试论述施肥在农业生产中的地位与作用
参考答案：
1、提高了农产品的品质.2、维持了土壤的养分平衡，3、改善了土壤的理化性质，使土壤疏松、肥沃、不板结。
根据所给中文或单词填出其正确形式。
1. She is very tall and ________ (苗条).
2. Millie goes to the Reading Club _________ (两次) a month.
3. — Excuse me, may I ________(借) your bike? — Of course, here you are.
4. There are two ________ (图书馆) in our school.
5. We wear________ (特殊的) costumes with masks.
6. ________ (周四) is the fifth day of a week.
7. She likes ________ (聊天) with her friends on the Internet.
8.This _______ (问题) is easy to answer.
9. The music _______ (听起来) great.
10.There are many __________ (餐馆) in our town.
半夏药材原植物来源于（）
A.兰科
B.姜科
C.五加科
D.毛茛科
E.天南星科
