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C. Read, write and match. 根据课文完成句子，然后将句子和对应的图片相匹配。
1. Two boys and two girls are the school bus. ()
2. The school is here. The is very nice. ()
3. The children sit on the bus. ()
4. The school day begins with a ______ bus ride. ( )
a.
b.
c.
d.
1. Two boys and two girls are the school bus. ()
2. The school is here. The is very nice. ()
3. The children sit on the bus. ()
4. The school day begins with a ______ bus ride. ( )
a.
b.
c.
d.
答案
1. getting on; c 2. stop; driver; d 3. b 4. safe; a
解析
1. 结合图片c中孩子们在车门口的场景，应填“getting on”，匹配c；2. 图片d有“BUS STOP”标志，第一空填“stop”，第二空描述司机，填“driver”，匹配d；3. 图片b显示孩子们坐在车上，匹配b；4. 单元主题为安全，填“safe”，图片a是校车行驶，匹配a。
D. Read and check. 读一读，判断这些行为是安全的 
还是危险的 
。
Always watch for cars and bikes when we are walking.
We play on the street.
We don’t have to look to the right before crossing the street.
We don’t wear a seat belt on the bus.
Always use the crosswalk.
还是危险的 。Always watch for cars and bikes when we are walking.
We play on the street.
We don’t have to look to the right before crossing the street.
We don’t wear a seat belt on the bus.
Always use the crosswalk.
答案
安全 危险 危险 危险 安全
解析
1. 走路时注意车辆和自行车是安全行为，填安全；2. 在街道上玩耍危险，填危险；3. 过马路前不向右看危险，填危险；4. 公交车上不系安全带危险，填危险；5. 走人行横道安全，填安全。
