6.a/an

　　a book,  a peach

　　an egg， an hour

　　7.Preposition

　　on, in ,in front of, between, next to, near, beside, at,behind.

　　表示時(shí)間： at six o’clock, at Christmas, at breakfast

　　on Monday， on 15th July， On National Day

　　in the evening， in December， in winter

　　8.基數(shù)詞和序數(shù)詞

　　one – first， two-second，twenty-twentieth

　　9.some/any

　　I have some toys in my bedroom.

　　Do you have any brothers or sisters?

　　10.be動(dòng)詞

　　(1) Basic form: am/are/is

　　(2) 肯定和否定句 I am(not) from London.

　　My eyes are(not) small.

　　My hair is(not) long.

　　(3)一般疑問(wèn)句： Am I a Chniese?   Yes, you are.   No, you aren’t.

　　Are they American?   Yes, they are.   No,they aren’t.

　　Is the cat fat?   Yes,it is.   No, it isn’t.