从方框中选择合适的句子完成对话，有两个多余选项

Li Meng (L) is studying in a middle school in Australia.He is going to have an important exam next week. Now heis worrying about it when he meets his friend Daniel( D) .

D : Hi, Li Meng.

L : Hi , Daniel.

D : Oh , Li Meng. You looked worried.   1  

L: Yeah,Daniel.   2   But I don't think I'm well ready   for it.

D: What subject is it?

L:  3   The main problem is not the knowledge but the   language.

D: You mean you can't understand the knowledge of science well because of the language.

L : Yes. Each time I finish a science class ,   4  .

D: I see. I think that   5   when you read the science textbook , and you'll understand it better.

L:   6   But what shall I do with my exam?  7  

D: Don't worry.   8   I am good at science. We can go over science together.

L :   9  

D: You are welcome.   10   Let's start this afternoon.

禽类的肝脏中富含多种矿物质，其中最高的是。（）

A.铁

B.钙

C.磷

D.锌