We can’t stop an earthquake(地震),but we can do things to make

We can’t stop an earthquake(地震),but we can do things to make sure they don’t destroy(毁坏) whole cities.First,it is not a 1 .________ idea to build houses along lines where 2.________ of the earth’s plates(板块) join together.Second,if you think there 3.________ be an earthquake,it is better to build houses on rocks ,not on 4.________.Third,you must make the houses as 5.________ as possible.Weak buildings will fall down in an earthquake,but strong ones may 6.________ .Scientists are 7.________ that one day an even bigger earthquake will hit the part around San Francisco(旧金山) .They call it “ The Big One ”.However,people today are still building more 8.________ .The population in and around San Francisco is 9.________ ten times more than it was in 1906.This means that 10.________ there is another earthquake,a great many houses and buildings will be destroyed.
good
2.two
3.may
4.sand
5.strong
6.stay up
7.afraid
8.houses 9.now 10.if