Lessons 1-6 词汇选择练习.pdfVIP

www.TopwayE Lesson 1 1. They claim that ______ 1,000 factories closed down during the economic crisis. [CET-4:93. 1] A. sufficiently B. approximately C. considerably D. properly 2. The European Union countries were once worried that they would not have ______ supplies of petroleum. [CET-4:02. 6] A. proficient B. efficient C. potential D. sufficient 3. Writing is a slow process, requiring ______ thought, time, and effort. [CET-4:96. 6] A. significant B. considerable C. enormous D. numerous 4. S [CET-4:94. 1] A. anxious B. effective C. adequate D. efficient 5. They took ______ measures to prevent poisonous gases from escaping. [CET-4:96. 1] A. fruitful B. beneficial C. valid D. effective 6. By law, when one makes a large purchase, he should have ______ opportunity to change his mind. [CET-4:00. 6] A. accurate B. urgent C. excessive D. adequate [CET-4:02. 1] A. accurate B. fixed C. delicate D. rigid 8. Since the matter was extremely ______, we dealt with it immediately. [CET-4:98. 1] A. tough B. tense C. urgent D. instant 9. During the process, great care has to be taken to protect the ______ silk from damage. [CET-4:02. 6] A. sensitive B. tender C. delicate D. sensible 10. Sh [CET-4:00. 1] A. mild B. slight C. light D. tender 11. Some plants are very __