What is the effective prevention against injuries？
A. Leave the wells and swimming pools open as usual.
B. People who are drunk are forbidden to drive a car.
C. Send a guard near the window if living in an apartment,
D. Resist children to pack drugs, stove fuel and poisons.
查看答案
What can we learn from Para. 1 ？
A. It is impossible to prevent children from being injured.
B. A number of methods need to be proved to protect children.
C. More children died from injuries in developing countries.
D. Nobody knows that accidents don"t have to happen.
That they were wrong in the matters______now clear to us.
A. was
B. is
C. are
D. were
非高灵敏度吸气式感烟火灾探测器不宜安装在天棚高度()m以上的场所。
A. 8
B. 12
C. 14
D. 16
______born in Chicago, the author is most famous for stories about New York City.
Although
B. Since
C. As
D. When
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