南京到上海约320千米，画在1：4000000的地图上，两地间的图上距

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问题填空题

南京到上海约320千米，画在1：4000000的地图上，两地间的图上距离是______厘米．

答案

320千米=32000000厘米，

32000000×

4000000

=8（厘米）；

答：两地间的图上距离是8厘米．

故答案为：8．

阅读理解

读短文选择。

Tom and Li Ling are good friends. Tom lives in Canada. He is a boy. He likes to draw with markers. He

puts markers on the desk. His favourite colour is yellow. Li Ling lives in China. She is a girl. She likes to write

with pencils. She puts pencils in the pencil case. Her favourite colour is yellow, too.

1. Tom is a __________.[ ]

A. boy

B. girl

C. teacher

2. Tom puts markers ___________ the desk. [ ]

A. in

B. under

C. on

3. Li Ling likes to __________ with pencils.[ ]

A. cut

B. write

C. draw

4. Li Ling's favourite colour is ___________.[ ]

A. red

B. blue

C. yellow

单项选择题

爆炸危险性较大或安全要求较高的场所应采用（）系统供电。

A、TT

B、TN-S

C、IT

D、TN-C