棉花初花期
参考答案：
开始开花到盛花期（开花后10天左右）的这一段时间。
—I'll have to go to the classroom. I left my MP5 player there just now.
—You don't have to. I ________ it for you. Here you are.[ ]
A. will bring
B. bring
C. brought
D. have brought
下列哪一项不属于绮石论述的虚劳后天之因？（）
A、酒色
B、药误
C、劳倦
D、七情饮食
