完成对话。

A: Hello, Li Lei    1    are you going?

B: I'm going to the     2   . We're going to help the farmers there.

   Would you like to    3    with me?

A: Certainly.

B: OK.     4    go.

A: What are you going to    5    there?

B: We're going to   6     apples.

A: Good.I'd like to do that.

B: Look, the students are    7    there.They're    8    apples.

A: Let's help    9    .

B:     10    right.

1.________ 2.__________ 3.___________ 4._________ 5.__________

6.________ 7.__________ 8.___________ 9._________ 10._________

影响毛发生长的主要因素是（）

A.精神状态

B.生长素

C.性激素

D.糖皮质激素