题目内容

单词拼写。
1 .Scientists have made many important_______ (发现).
2.An____ (突然的)change of policy made everything up.
3 .The store sells agricultural______ (产品).
4.I keep my reference books near my desk for_______ (方便).
5. He ate a light lunch in____ (期望)of a good dinner.
6. He likes inventions and he has applied for a p____ .
7. I've never seen so much m_____  and disorder.
8. It's an interesting idea but there are many p  _____  difficulties.
9. As _____   world is essential to economic growth.
10. He goes to visit his grandparents not regularly but o _____   .
1. discoveries  2, abrupt  3. products  4. convenience 5. expectation  
6. patent  7. mess  8. practical  9. stable 10. occasionally
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