题目

正比例函数的图象上有两点,,则与的大小关系是( )A. B. C. D. 答案:【答案】A【解析】利用一次函数图象上点的坐标特征可求出y1与y2的值,比较后即可得出结论(利用一次函数的性质解决问题亦可).解:当x=−1时,y1=−(−1)=1;当x=2时,y2=−2.∵1>−2,∴y1>y2.故选:A. 阅读理解   Welcome to the Pacific Beach Hotel!The Pacific Beach Hotel overlooks Waikiki beach and is a five-minute walk from the Honolulu Zoo.Ala Moana Shopping Center is one mile away.   Reach downtown Honolulu in four miles and Pearl Harbor in 14 miles.   The 837-room Pacific Beach Hotel also has a three-story, 280,000-gallon indoor oceanarium(水族馆),which is now the home of over 70 different species of Hawaiian marine life.The hotel also houses Hawaiion Rainforest Salon and Spa, a fourth floor pool with a sundeck and whirlpool spa, and a tennis court located on the eighth floor.   Each standard guest room is supplied with air-conditioning, coffeemaker, digital telephone, hairdryerm, iron and ironing board on request, one king-size or two double beds, mini-refrigerator, personal safe, private balcony, private bathroom with shower and bathtub, and TV with movies-on-demand and video games.And non-smoking rooms are available.   Here is the room type and rate for February;(book now and get another 20% off) (1) Your parents are going to Hawaii for a 2-day holiday and will live in this hotel.They enjoy the ocean view.How much will they pay for their room at least? [  ] A. About 600 dollars B. About 700 dollars C. About 800 dollars D. About 900 dollars (2) If you live in this hotel, you can get all the following service except ________. [  ] A. to enjoy the marine life of Hawaii B. to play tennis C. to have a sunbath D. to visit the Honolulu Zoo (3) In the Pacific Beach Hotel, a standard room does not contain ________. [  ] A. a mini-refrigerator B. a private bathroom C. a TV with movies-on-demand D. a swimming suit (4) The purpose of writing this passage is ________. [  ] A. to attract more tourists to the hotel B. to introduce a new hotel C. to suggest a good place of interest D. to ask for the public’s help
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