与食管癌发病因素无相关性的是()。 A.亚硝胺类化合物及真菌 B.环境气候与季节 C

题型:单项选择题 A1/A2型题

问题:

与食管癌发病因素无相关性的是()。

A.亚硝胺类化合物及真菌

B.环境气候与季节

C.饮食习惯、营养不良和微量元素缺乏

D.遗传因素

E.Barret食管

考点:普通外科主治医师相关专业知识胸心外科学胸心外科学题库
题型:单项选择题 A1/A2型题

The cinema is very ________ before the film starts.[ ]

A. noise

B. noisy

C. noisily

D. quietly

题型:单项选择题 A1/A2型题

阅读理解。

Read the advertisements carefully. Then answer the questions that follow.

1. LNTERESTED IN CHILDCARE? 

     Qualified person or preschool teacher needed for busy childcare center, south of the river. Full-time

work guaranteed. Immediate start necessary. The candidate must be able to work as a co-operative team

member. Phone 6345 2345 for an interview and fax resume to 6345 2345.

2. WE NEED OFFICE CLRANERS!

     Three people are required for professional cleaning in the CBD area. Working hours from 5:00 pm on

Mondays, Wednesdays & Fridays. Approximately five hours per shift. A good record is necessary.

Experience preferred. Phone 6345 7843 now.

3. WANT TO WORK AS A DENTAL NURSE?

     This is an exciting opportunity for a qualified dental nurse with a confident and cheerful personality to

work in the School Dental Health Scheme. You must be able to get along well with children because work

involves talking to groups about dental health practices. For forget you can visit our website a:

schooldentalservices@gov.sg. And fax your resume to 6234 4567.

4. FLORIST WANTED!

     Are you a creative and trained florist with at least two years of experience? Then this may be just what

you are seeking. The city's leading Florist Artist Studio needs another part-time member on their wedding

team. Please phone 6098 7888 now!

1. You may find the above advertisements _____.

A. in a store window

B. in a school magazine

C. in a newspaper

D. on a company notice-board

2. The position of a(n) _____ is a part-time job.

A. florist

B. artist

C. preschool teacher

D. dental nurse

3. Which of the following is the most important for the childcare job?

A. Cooking skills.

B. Childcare experience.

C. The ability to start work in two weeks.

D. The ability to work well with other people.

4. The office cleaners will be required to work about _____ hours a week.

A. 5

B. 10

C. 15

D. 20

题型:单项选择题 A1/A2型题

利用如图装置匀速提升重为168N的物体时所用的拉力F是80N,则此滑轮组的机械效率是________ 。

题型:单项选择题 A1/A2型题

请写出以下数学表达式的C语言表达式:______。

题型:单项选择题 A1/A2型题

如果测得混凝土标准试件28天的抗压强度为23MPa,则其强度等级应定为( )。

A.C20

B.C23

C.C25

D.C30

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