41.His proposal is very _______. We do not need any explanation.A. concrete B.loyal C.grey D.draft
42.This is a _______ computer, which we just bought for our research.
A. detective B.luggage C.digital D.grave
43.The two pictures are _______. We don’t know which is the copy.
A. identical B.likely C.limited D.resemble
44.If you don’t want to wash your jacket, you may send it to a _______.
A. participant B.planet C.laundry D.ribbon
45.If the _______ in the test is too small, we can not get a good result.
A. sample B.percent C.leisure D.flight
46.I am very _______. You may tell me your suggestion.
A. fog B.debate C.culture D.flexible
47.This is a very big hotel and it can _______ more than 1,000 people.
A. accommodate B.display C.faint D.loaf
48.Professor Li _______ in doing his experiment for nearly ten years.
A. insisted B.piled C.persisted D.split
49.The new plan is _______ and everybody present agrees with it.
A. feasible B.adventure C.appendix D.camel
50.Please be _______. Your question is too general.
A. limited B.narrow C.specific D.thorough