1.His proposal is very _______. We do not need any explanation.

　　A. concrete B. loyal C. grey D. draft

　　2.This is a _______ computer, which we just bought for our research.

　　A. detective B. luggage C. digital D. grave

　　3.The two pictures are _______. We don’t know which is the copy.

　　A. identical B. likely C. limited D. resemble

　　4.If you don’t want to wash your jacket, you may send it to a _______.

　　A. participant B. planet C. laundry D. ribbon

　　5.If the _______ in the test is too small, we can not get a good result.

　　A. sample B. percent C. leisure D. flight

　　6.I am very _______. You may tell me your suggestion.

　　A. fog B. debate C. culture D. flexible

　　7.This is a very big hotel and it can _______ more than 1,000 people.

　　A. accommodate B. display C. faint D. loaf

　　8.Professor Li _______ in doing his experiment for nearly ten years.

　　A. insisted B. piled C. persisted D. split

　　9.The new plan is _______ and everybody present agrees with it.

　　A. feasible B. adventure C. appendix D. camel

　　10.Please be _______. Your question is too general.

　　A. limited B. narrow C. specific D. thorough

　　1.A 2.C 3.A 4.C 5.A 6.D 7.A 8.C 9.A 10.C