题目

要使32÷3的商中间有0，且没有余数，里应填________。要使商的末尾有两个0，里应填________。 答案：【答案】1 0 【解析】整数除法计算法则：先从被除数的高位除起，除数是几位数，就看被除数的前几位； 如果不够除，就多看一位，除到被除数的哪一位，商就写在那一位的上面，如果哪一位上不够商1，要补“0”占位，每次除得的余数要小于除数.要使3□2÷3的商中间有0，且没有余数，□里应填1；要Welcome to Yulong Hotel. We will give you the best service, so that you can have a pleasant stay here. Room Service: You can use room service 24 hours a day. Phone the Information Desk（问讯台）, and your message will be passed on to the room waiter. Dining Room: You can have three meals a day in the dining room. Breakfast is offered from 8:00 am to 9:30 am. Also the room waiter may bring breakfast to your room at any time after 7:00 am. If you need breakfast, please fill out a card and hang it outside your door before 6:00 am. Lunch is from 12:00 to 2:00 pm. Dinner is from 6:30 pm to 8:30 pm. Telephones: To make a phone call, you should dial “0” for the Information Desk to put you through to the room waiter. There are also public telephones near the Information Desk. Tell the Information Desk if calls are needed. Shop: The hotel shop is open from 9:00 am to 5:30 pm. Coffee House: You can drink coffee here at the following time: 12:00－2:00 pm   8:00 pm－1:30 am Other Services: There is a cinema in the hotel. Films begin at 7:00 pm on Wednesdays and Sundays. Hot water is offered 24 hours a day. There is also a big swimming pool in the hotel. You can enjoy yourself at any time you like. It is free. 47. What would you do if you want room service at night? A. Phone the room waiter.              B. Fill out a card. C. Phone the Information Desk.          D. Go to the Information Desk. 48. The hotel shop opens at______. A. 11:30 am       B. 9:00 am       C. 8:00 am        D. 2:00 am 49. You can see a film at 7:00 pm on________ in the hotel. A. Sundays     B. Fridays        C. Saturdays        D. Tuesdays