题目

以下关于锂、钠、钾、铷、铯的叙述不正确的是()①氢氧化物中碱性最强的是CsOH；②单质熔点最高的是铯；③与O2反应均可得到多种氧化物；④它们的密度依次增大；⑤其单质的还原性依次增强；⑥它们对应离子的氧化性依次增强； A . ①⑤ B . ②⑥ C . ②③④⑥ D . ②③④ 答案：C 听力部分(第一节) Ⅰ．听句子，选出句子中所包含的信息。(共5小题，每小题1分，计5分) 1． A．lost their lives B．lost their ways C．lost in the earthquake 2． A．later B．ago C．before 3． A．6525 Washington St．, Denver, CA 81922 B．6425 Washington St．, Denver, CD 80292 C．6425 Washington St．, Denver, CO 80229 4． A．It is thought that Barack Obama is America's first president． B．It is said that Barack Obama is America's last black president． C．People say Barack Obama is America's first black president． 5． A．Going skiing is a favorite sports activity in winter． B．It's not the right time for skiing now． C．At this time of year, people often go skiing． Ⅱ．听句子，选出该句的最佳答语。(共5小题，每小题1分，计5分) 6． A．That's a good idea． B．I like it very much． C．The city is not big enough． 7． A．Yes, we have one on the fourth floor． B．The twins come here for a visit． C．We only have one room left． 8． A．You can also take a bus to New York． B．Let me see what's available． C．On Thursday, the weather will be good enough． 9． A．I'm going to the cinema． B．I'm doing the cleaning． C．I'm coming． 10． A．Beijing is great! B．Thank you．I hope so． C．You too．Thank you． Ⅲ．听对话和问题，选择正确的选项。(共5小题，每小题1分，计5分) 11． A．Art． B．History and art． C．History． 12． A．Mary． B．John． C．Betty． 13． A．He got up late． B．He missed the bus C．He lost his bike． 14． A． B． C． A． B． C． Ⅳ．听语段、对话和问题，选择正确答案。(共10小题，每小题1分，计10分) 16．What are they talking about? A．A car． B．London． C．The weekend． 17．How will they go for a picnic? A．On foot． B．By car． C．By bike． 18．What kind of books does Li Ming want to borrow? A．Animal books． B．Sports books． C．Computer books． 19．Which bus will Li Ming take to the library? A．No．16 bus． B．No．60 bus C．No．10 bus． 20．When did the story happen? A．On Monday afternoon． B．On Sunday evening． C．On Friday morning． 21．What was wrong with the speaker? A．She had got the flu． B．She was sleepy in class． C．She didn't have lunch． 22．Which of the following is true about Hollywood? A．It's the biggest city in California． B．Not all the famous film stars live there． C．All the films are made there． 23．Why can we see where Hollywood is in Los Angeles easily? A．It is a hill． B．Postcards will show you． C．There is a big sign on the hills． 24．What is the Hollywood Bowl? A．A theater． B．a hill． C．A sign． 25．What is not mentioned about the Hollywood Bowl? A．Seats． B．Height． C．Stage．