一根据句意选择合适的内容补全句子。
police officer firefighter cleaner
bus driver delivery worker
1. The cleans the streets every day.
2. The drives the bus carefully（仔细地） on the road.
3. The puts out（扑灭）the fire and saves people.
4. When you see a thief（小偷）, the can help you.
5. The drives a truck to send packages.

1. cleaner
2. bus driver
3. firefighter
4. police officer
5. delivery worker
解析:
1. 根据句子可知,清扫街道的是清洁工,故填cleaner。
2. 根据句子可知,开公共汽车的是公共汽车司机,故填bus driver。
3. 根据句子可知,灭火救人的是消防员,故填firefighter。
4. 根据句子可知,看到小偷时警察可以帮助你,故填police officer。
5. 根据句子可知,开卡车送包裹的是快递员,故填delivery worker。

二单项选择。
（）1. Our school needs many to keep it clean.

A.workers
B.cleaners
C.police officers

1. B
解析:
1. 由后面的 keep it clean 可知能保持学校干净的是清洁工,所以选 B。

()2. Look! Our PE teacher Mr Wang basketball.

A.play
B.plays
C.is playing

2. C
解析:
2. Look 表示看,常用于现在进行时,其结构是 be+动词的现在分词,主语 Our PE teacher Mr Wang 是第三人称单数,be 动词用 is,play 的现在分词是 playing,所以选 C。

()3. Listen! The little girl in the next room.
A. sings
B. is singing
C. singing
()4. There is a big fire there. Call the at once(立刻，马上).
A. delivery workers
B. firefighters
C. bus drivers

3. B 4. B
解析:
3. Listen 表示听,常用于现在进行时,其结构是 be+动词的现在分词,主语 The little girl 是第三人称单数,be 动词用 is,sing 的现在分词是 singing,所以选 B。
4. 根据句子“There is a big fire there.”可知,有大火应该打电话给消防员,所以选 B。

三[情境题]社区居委会对100位居民的职业进行了调查统计，阅读统计图，选择正确的答案。

()1. Which job is the most popular?
A. Office worker.
B. Delivery worker.
C. Driver.
()2. How many people are cooks?
A. 10.
B. 15.
C. 20.
()3. Delivery workers and drivers together make up .
A. 25%
B. 45%
C. 55%
()4. What does a police officer do?
A. Cooks food.
B. Drives a bus.
C. Helps keep the city safe.

1. A 2. B 3. B 4. C
解析:
1. 根据图中各职业的比例,office workers 所占比例最大,所以最受欢迎的职业是公司职员,故选 A。
2. 经过计算可知,在统计图中厨师(cooks)所占比例为15%,总人数是 100 人,100×15% = 15人,所以有 15 人是厨师,故选 B。
3. 在统计图中快递员(delivery workers)所占比例是25%,司机(drivers)所占比例是20%,所以快递员和司机一共占45%,故选 B。
4. 警察的工作是帮助维护城市安全,所以选 C。