[判断题]在存有倒塌危险的区域进行灭火进攻时，不得用直流水枪、水炮冲击柱、梁、墙等承重构件。（）
A.正确
B.错误

{{B}}On Friendship{{/B}}
Few Americans stay put (固定不动的) for a lifetime. We move from town to city to suburb, from high school to college in different states, from a job in one region to a better job elsewhere, from the home where we raise our children to the home where we plan to live in retirement. With each move we are forever making new friends, who become part of our new life at that time.
For many of us the summer is a special time for forming new friendships. Today millions of Americans vacation abroad and they go not only to see new sights but also—in those places where they do not feel too strange—with the hope of meeting new people. No one really expects a vacation trip to produce a close friend. But surely the beginning of a friendship is possible Surely in every country people value friendship
They do. The difficulty when strangers from two countries meet is not a lack of appreciation of friendship, bu
A. To learn new language.
B. To increase their knowledge.
C. To enjoy better climate.
D. To see new sights and make new friends.