Ⅰ.单词拼写
1．We cannot develop our national economy without science and ________(技术)．
2．The ________(文凭) is very important for him to get the job.
3．There is a big underground railway ________(系统) in London.
4．I cannot accept you as my ________(助手)．
5．The magazine is aimed at ________(少年) and young adults.
6．The couple cleared up their m________ and made up.
7．Her failure made her parents d________ and they were in bad mood.
8．The cause of the sudden d________ of Loulan Ancient City remains unknown.
9．After checking the answers, c________ the mistakes you've made.
10．When I am in trouble, my friends always give me a lot of e________.
答案：1.technology 2.diploma 3.system 4.assistant
5．teenagers 6.misunderstanding 7.disappointed
8．disappearance 9.correct 10.encouragement
