Ⅰ.单词拼写
1．The big fire destroyed nearly 250 aches of ________ (原始的) forests.
2．She was ________ (占有) herself in her research work at the moment.
3．Both the Changjiang River and the Yellow River have their s________ in the west of China.
4．With prices going up，our living e________ has risen to 800 yuan per month.
5．I need water.Could you f________ me a basin of it？
答案 1.primitive 2.occupying 3.sources 4.expense 5.fetch
