题目内容

女，34岁，突发上腹痛5小时，伴呕吐、腹胀。腹腔积液呈血性，其中淀粉酶为1867U/L。首先应考虑什么疾病

A. 胃溃疡穿孔
B. 胆石症
C. 急性肠梗阻
D. 出血坏死性胰腺炎

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In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Mark the correct answer to each question on your ANSWER SHEET. Questions 1 to 5 are based on an interview. At the end of the interview you will be given 10 seconds to answer each of the following five questions. Now listen to the interview. What does Frank have to do next

A. Get the results of the survey back.
B. Draw the results of the survey.
C. Make some conclusions.
D. Collect more information

为了解某校近视的发生率，调查者．计划从今校50个班巾，随机抽取5个班，然后调查这些班中的所有学生，这种抽样方法称为

A. 单纯随机抽样
B. 整群抽样
C. 机械抽样
D. 系统抽样
E. 分层抽样

正常成人QRS波群时间是（）

A. 0．06～0．10秒
B. 0．10～0．30秒
C. 0．30---0．40秒
D. 0.12～0．20秒
E. 0140～0．50秒

Last week, a group of us students, who are ready to leave the campus and face the real world, talked about an issue: What kind of jobs we should take, part-time (on-the-side) extemporaneous jobs or stable fulltime jobs Some think that the former best suit them while others maintain that the latter render them more benefits. What is your opinion Write an essay of about 400 words to state your opinion. In the first part of your writing you should state clearly your main argument, and in the second part you should support your argument with appropriate details. In the last part you should bring what you have written to a natural conclusion or make a summary. You should supply an appropriate title for your essay. Marks will be awarded for content, organization, language and appropriateness. Failure to follow the above instructions may result in a loss of marks. Write your essay on ANSWER SHEET FOUR.