第 19 题 Students should go to the school playground or an open space once the tremors stop.
A.Right
B.Wrong
C.Not mentioned
【正确答案】： A
第 20 题 If you are at home when an earthquake occurs， stand near a big table.
A.Right
B.Wrong
C.Not mentioned
【正确答案】： B
第 21 题 The best way to leave the building during an earthquake is to get into a lift.
A.Right
B.Wrong
C.Not mentioned
【正确答案】： B
第 22 题 If you are in the street when an earthquake occurs， stay in a large open space.
A.Right
B.Wrong
C.Not mentioned
【正确答案】： A