单词练习(B1U4-6).doc

Unit 4 Choose the Best. 1. Through years many foreign words have ______ our language. A) led the way to B) found their way into C) given way to D) made their way into 2. This is not the kind of weather I ______ and so I get ill very easily. A) used to B) am sure of C) am accustomed to D) am aware of 3. I don’t mind having Stevens on the Advisory Board, but I’m not ______ making him chairman. A) in charge of B) in honor of C) in favor of D) in memory of 4. Mary was recovered fast because she had only a ______ operation. A) slight B) minimum C) minor D) mild 5. She was so ______ in her job that she didn’t hear anybody knocking at the door． Aattracted B) absorbed C) drawn D) concentrated 6. The government is ______ the nation’s welfare. A) responsible for B) sufficient for C) grateful for D) thankful for 7. He is the chief trouble-maker; the others just follow his ______. A) advance B) place C) head D) lead 8. Such a skilled tennis player knows how to ______ his opponent’s chief weakness. A) take chances of B) take interest in C) take charge of D) take advantage of 9. Opportunities are always ______ so long as one uses his mind. A) possible B) available C) considerable D) preferable 10. People were terrified to learn that a fierce tiger was still ______ in the big city. A) at large B) at ease C) at a loss D) with ease 11. The car ______ into the house, making a huge hole in the wall. A) accelerated B) pounded C) crashed D) launched 12. Do you think she could ______ as professional singer? A) make it B) make for C) make out D) make of 13. He tried to cope with the ever-increasing burden of his work, but finally he ______ and had to take a complete rest. A) broke out B) broke down C) broke through D) broke up 14. Many ______ measures have been taken to reduce air pollution in the city. A) efficient B) influential C) sufficient D) effective 15. The soldiers showed perfect ______ under the fire of the enemy. A) principle B) principal C) discipline D) disgust 16. He did