【单选题】在数据库的三级模式中,描述数据库中全体数据的逻辑结构和特征的是
【单选题】[10年单招]下列旅游组织中,总部设在日内瓦的是
【单选题】Topic 31 Session 1 4-1-A Choose which word or phrase best fits each blank. The _______________ concerns the dialog between systems and users.
A.
communication component
【单选题】Part A Directions: You will hear 10 short dialogues. For each dialogue, there is one question and four possible answers. Choose the correct answer ― A, B, C or D, and mark it in your test booklet. You...
A.
He has had his dinner and wants to go shopping.
B.
He has eaten enough food and he is full now.
C.
He is tired of eating eggs and bread.
D.
He wants to buy more eggs and bread because there is little left in the fridge.
【单选题】W: Sunshine Hotel. May I help you? M: __________
A.
All fight. My name is David Jones and my room number is 103.
B.
Yes. We need a double room for this weekend.
C.
Thank you, I' d like to make a long distance call to New Zealand.
D.
Sorry. I don' t think you can help us. Thank you anyway.