题目: 某气体可能含有H2、CO、N2、CH4中的一种或两种。该气体在足量的氧气中充分燃烧后,将全部生成物依次通过足量的浓硫酸(只吸收水分)和澄清石灰水溶液,发现浓硫酸的质量增加,澄清石灰水变浑浊,则该气体的成分不可能是[ ]A.CH4 B.CO和N2 C.H2和CO D.CO和CH4 答案: 答案:B
题型:阅读理解 LostMy name is Mary. I lost a black bag with some money and a phone in it on May 27. If you find it, please come to Room 322, or call me at 323-3789. Sunny Seafood RestaurantQuality seafood buffet(自助餐)Price: ¥55/ personAddress: 50 Haier Road Tel: 223-3561A Football GameBeijing Vs ShanghaiPlace: Bird’s Nest Stadium(鸟巢)Time: May 27, 3:30 pmPrice: ¥50Tel: 325-6789Waiters Wanted Age: between 20 and 40Language: one foreign language (English or Japanese)Working place: Red Rose RestaurantTel: 586-5552小题1:If you want to find a job as a waiter, you can go to __________. A.50 Haier RoadB.Red Rose Restaurant C.Bird’s Next StadiumD.Sunny Seafood Restaurant小题2:If Tom and his father go to watch the football game, they will pay _________. A.¥50B.¥55C.¥100D.¥110小题3:Father’s Day is coming, and Jenny wants to invite her father to dinner. She should call _______. A.586-5552B.223-3561C.325-6789 D.323-3789 查看答案