Ⅰ.单词拼写
1．Earthquakes are one of common natural ________ (灾难)．
2．The crops died during the ________ (旱灾)．
3．A ________ (直升飞机) landed in an open area in the jungle.
4．The flood caused a ________ (滑坡)．
5．Two children fell into the river and many people tried to ________ (营救) them.
6．Cancer is the leading cause of ________ (死亡) in women.
7．The big fire lasted for four hours and all the buildings along the street got ________ (毁坏)．
8．Computers and the Internet are ________ (影响) our lives now.
9．These bushes grow well in the ________ (掩蔽) of big trees.
