一、I. Read and choose. （选出每组单词中不同类的一项。）
( ) 1. A. nineteen B. bank C. twenty
( ) 2. A. book B. boat C. each
( ) 3. A. spend B. bank C. pay
( ) 4. A. back B. eighteen C. sixteen

Ⅰ. 1. B 2. C 3. B 4. A

( ) 1.One___, tick. Two___, tock.

A.minutes; minutes
B.minute; minute
C.minute; minutes

1. C

( ) 2.—___ is this boat? —Twenty yuan.

A.How much
B.How many
C.How about

2. A

( ) 3._____ watch the clock.

A.Not
B.No
C.Don't

3. C

Ⅲ. Read and choose. （读一读，选择合适的数词补全短文。只填选项，有四项多余。）
A. four B. five C. six D. seven E. eight
F. ten G. twelve H. twenty I. fourteen
J. fifteen K. sixteen L. seventeen
One frog has one mouth, two eyes and four legs ... Three frogs have three mouths, 1. ___ eyes and 2. ___ legs. Four frogs have 3. ___ mouths, 4. ___ eyes and 5. ___ legs. Five frogs have 6. ___ mouths, 7. ___ eyes and 8. ___ legs.

Ⅲ. 1. C 2. G 3. A 4. E 5. K 6. B
7. F 8. H