Ⅰ.单词拼写
根据汉语或首字母提示，写出下列单词
1．Something must be done to keep the balance (平衡) of nature.
2．We were astonished (惊愕的) to find the temple still in its original condition.
3．Professor Wang will give us a lecture (演讲)on how to protect the environment tomorrow.
4．Fires broke out everywhere.The city was full of smoke and flame(s)．
5．I had learned in the department of English for four years before I graduated.
6．We have firstclass scientific facilities in our school lab, it's convenient for us to perform experiments.
