1. (2017九上·北海期末) 根据短文内容，从方框中选择恰当的单词填空，请将单词填写在题号对应的横线上。所有单词在填入前不需进行词形转换，每个单词只能用一次，每空一词。

two ，  good ，  may ，  strong ，  afraid ，  fall ，  if ，  now ，  sand ，  houses

    We can't stop an earthquake，but we can do things to make sure they don't destroy (毁坏) whole cities. First，it is not a idea to build houses along lines where of the earth's plates (板块) join together. Second，if you think there be an earthquake，it is better to build houses on rocks， not on Third， you must make the houses as as possible. Weak buildings will down in an earthquake，but strong ones may stay up.

    Scientists are that one day an even bigger earthquake will hit the part around San Francisco. They call it “The Big One”. However，people today are still building more The population in and around San Francisco is ten times more than it was in 1906. This means that there is another earthquake，a great many houses and buildings will be destroyed.