单选题A Why less people were killed in the earthquake in Los Angeles.B Changes made to construction methods of buildings and highways.C How to make buildings more resistant to earthquake.D The outline of the history of the development of quake-resistant buil
题目
单选题
A
Why less people were killed in the earthquake in Los Angeles.
B
Changes made to construction methods of buildings and highways.
C
How to make buildings more resistant to earthquake.
D
The outline of the history of the development of quake-resistant building materials.