D Read and match(将Ⅰ栏标识与Ⅱ栏相应的释义匹配)
Ⅰ Ⅱ
( ) 1 No littering. a You should be careful.
( ) 2 No parking. b You can't eat or drink here.
( ) 3 Danger! c You can't park here.
( ) 4 No eating or drinking. d You can't smoke here.
( ) 5 No smoking. e It means the floor is wet.
( ) 6 Wet floor. f You shouldn't litter here.

D 1 f 2 c 3 a 4 b 5 d 6 e

E Look and write(看图,写出必要的标识语)
1 ______
2 ______
3 ______
4 ______

E 1 No parking. 2 No littering. 3 Wet floor. 4 No smoking.

F Read and complete(根据首字母提示,完成句子)
1 Mike, Helen and Tim are at the s______ c______.
2 There are many s______ in the park.
3 A: What does this sign m______?
B: It m______ you can't litter here.
4 We can't t______ the coffee i______ the library.
5 "No smoking" means people can't s______ here.
6 Helen went to the juice shop because she w______ some j______.
7 We s______ be careful when we see the sign "Danger".
8 Let's buy some picture books in the b______.

F 1 shopping centre 2 signs 3 mean, means 4 take, into 5 smoke 6 wanted, juice 7 should 8 bookshop