高三一轮英语课时作业 Ⅰ.单项填空 1.Ladies and gentlemen,I have the great privilege________introducing our speaker for tonight. A.in B.of C.about D.on 2.High interest rates________people from borrowing money. A.discourage B.protect C.save D.disturb 3.—The frequent terrible coal mine accidents killed more than 1,000 people in China last year. —________. A.Quite OK B.Certainly C.That’s the case D.I agree 4.Every day the boy,together with his classmates,________to go to the sports ground and________football,________themselves. A.are noticed;play;enjoying B.is noticed;plays;enjoying C.are noticed;plays;enjoys D.is noticed;play;enjoying 5.The importance of saving gas________be stressed too much.Automobiles use up some 70 billion gallons of gas a year. A.can’t B.mustn’t C.shouldn’t D.may not 6.No other salesmen could know how to increase sales,but soon Tim________a good solution. |