Visited as much as facilities

　　A. are investing more in basic(56)________ for preventing disasters

　　B. are often(57)________ by some natural disasters

　　C. serious floods alone cause annual losses of(58)______ 5 billion dollars.

　　Each year, natural disasters take heavy tolls of property and lives. It’s estimated that (59)______. In one major earthquake in 1976,about 300,000 people were killed. So many countries as well as international agencies(60)______. However, disasters have become more frequent and destructive. In the absence of effective approaches to predictions, the best we can do is to take measures in advance. One solution is to build stronger houses that can survive extreme conditions in areas that(61)______

　　56. facilities 57. Visited 58. As much as 59-61 CAB