五、选出下列每组单词中不同类的一项。
( )1. A. fifteen
B. thirty
C. number
( )2. A. crayon
B. pencil
C. floor
( )3. A. begin
B. happily
C. give
( )4. A. see
B. bought
C. lose
( )5. A. pupil
B. elephant
C. monkey
( )1. A. fifteen
B. thirty
C. number
( )2. A. crayon
B. pencil
C. floor
( )3. A. begin
B. happily
C. give
( )4. A. see
B. bought
C. lose
( )5. A. pupil
B. elephant
C. monkey
答案:
1. C
2. C
3. B
4. B
5. A
解析:1. A、B为基数词,C为“数字”总称,不同类,选C。
2. A、B为文具,C为“地板”,不同类,选C。
3. A、C为动词,B为副词,不同类,选B。
4. A、C为动词原形,B为动词过去式,不同类,选B。
5. B、C为动物,A为“学生”,不同类,选A。
2. C
3. B
4. B
5. A
解析:1. A、B为基数词,C为“数字”总称,不同类,选C。
2. A、B为文具,C为“地板”,不同类,选C。
3. A、C为动词,B为副词,不同类,选B。
4. A、C为动词原形,B为动词过去式,不同类,选B。
5. B、C为动物,A为“学生”,不同类,选A。
六、算一算,写出正确的答案。(写英语单词)
1. twenty+fifty=______
2. ninety-______=thirty
3. two×nine=______
4. ______÷four=four
5. fifty-______=ten
1. twenty+fifty=______
2. ninety-______=thirty
3. two×nine=______
4. ______÷four=four
5. fifty-______=ten
答案:
1. seventy
2. sixty
3. eighteen
4. sixteen
5. forty
解析:1. 20+50=70,seventy。
2. 90-60=30,sixty。
3. 2×9=18,eighteen。
4. 16÷4=4,sixteen。
5. 50-40=10,forty。
2. sixty
3. eighteen
4. sixteen
5. forty
解析:1. 20+50=70,seventy。
2. 90-60=30,sixty。
3. 2×9=18,eighteen。
4. 16÷4=4,sixteen。
5. 50-40=10,forty。
七、从括号里选择正确的选项补全句子。
1. Did I ______ (A. lose B. lost) one crayon?
2. There ______ (A. is B. are) twenty children.
3. How many ______ (A. people B. animal) can you see?
4. The children are playing ______ (A. happy B. happily).
5. There are seventy ______ (A. pupil B. pupils) in our class.
1. Did I ______ (A. lose B. lost) one crayon?
2. There ______ (A. is B. are) twenty children.
3. How many ______ (A. people B. animal) can you see?
4. The children are playing ______ (A. happy B. happily).
5. There are seventy ______ (A. pupil B. pupils) in our class.
答案:
1. A
2. B
3. A
4. B
5. B
解析:1. "Did"后接动词原形,lose,选A。
2. "twenty children"为复数,There are,选B。
3. "How many"后接可数名词复数,people(单复数同形)符合,animal需用复数animals,选A。
4. 副词happily修饰动词playing,选B。
5. "seventy"后接可数名词复数,pupils,选B。
2. B
3. A
4. B
5. B
解析:1. "Did"后接动词原形,lose,选A。
2. "twenty children"为复数,There are,选B。
3. "How many"后接可数名词复数,people(单复数同形)符合,animal需用复数animals,选A。
4. 副词happily修饰动词playing,选B。
5. "seventy"后接可数名词复数,pupils,选B。
八、单项选择。(10分)
( )1. There are thirteen ________ over there.
A. child B. children C. crayon
( )2. Our first class ________ at 8:30.
A. begin B. to begin C. begins
( )3. Four cats have ________ legs.
A. sixteen B. eight C. sixty
( )4. All ________ them are dancing happily.
A. to B. from C. of
( )5. There ________ a lion and two elephants.
A. have B. is C. are
( )1. There are thirteen ________ over there.
A. child B. children C. crayon
( )2. Our first class ________ at 8:30.
A. begin B. to begin C. begins
( )3. Four cats have ________ legs.
A. sixteen B. eight C. sixty
( )4. All ________ them are dancing happily.
A. to B. from C. of
( )5. There ________ a lion and two elephants.
A. have B. is C. are
答案:
1. B
解析:thirteen后接可数名词复数,child的复数是children。
2. C
解析:主语Our first class是第三人称单数,动词用begins。
3. A
解析:一只猫4条腿,四只猫4×4=16条腿。
4. C
解析:all of them是固定搭配,意为“他们所有人”。
5. B
解析:there be句型遵循就近原则,a lion是单数,用is。
解析:thirteen后接可数名词复数,child的复数是children。
2. C
解析:主语Our first class是第三人称单数,动词用begins。
3. A
解析:一只猫4条腿,四只猫4×4=16条腿。
4. C
解析:all of them是固定搭配,意为“他们所有人”。
5. B
解析:there be句型遵循就近原则,a lion是单数,用is。
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