文件名称：unix练习4-with key
文件大小：161KB
文件格式：PPT
更新时间：2012-05-27 13:12:23
exercises
9. Don’t worry about the test: it’s nothing but a measure of how you’re getting on. a. estimate b. rating c. yardstick d. criterion 10. Left to their own devices, some of the young children began to cry for mama. a. Left unnoticed b. Left alone c. Left behind d. Left out of sight 11. The museum promised to pay large amounts of money if the dinosaur fossil _____ are good. a. specimens b. species c. samples d. prototypes 12. She was very _____ about what she thought should be done to improve the plan. a. definite b. explicit c. positive d. distinct 13. His enthusiasm was really _____, and now all of us are filled with anticipation. a. epidemic b. infective c. effective d. infectious