问题 单项选择题

下面属于肝癌患者首发症状是()

A.腹水

B.恶心呕吐

C.肝区疼痛

D.黄疸

E.腹壁静脉曲张

答案

参考答案:C

解析:肝癌的临床表现最常见的有肝区疼痛,半数以上病人以此为首发症状,多为持续性隐痛、刺痛或胀痛,夜间或劳累后加重,癌肿累及膈肌时有右肩背部牵涉痛。

阅读理解

阅读理解

     In most parts of the world, many students help their schools make less pollution. They join "environment clubs".

In an environment club,  people work together to make our environment clean.

     Here are some things students often do.

     No-rubbish lunches.  How much do you throw away after lunch? Environment clubs ask students to bring their

lunches in boxes that can be used again.  Every week they will choose the classes that make the Ieast rubbish and

report them to the whole school!

     No-car day.  On a no-car day,  nobody comes to school in a car,  not the students and not the te'achers! Cars give

pollution to our air, so remember:

     Walk, jump, bike or run.

     Use your legsl It's lots of fun!

     Turn off the water! Do you know.that some toilets can waste twenty to forty tons of water a half hour? In a year,

that will fill a small river! In environment clubs, students mend those broken toilets.

     We lovc our enyironment.  Let's work together to make it clean.

1. Environment clubs ask students __________.

A. to run to school every day

B. to take exercise every day

C. not to forget to take cars

D. not tothrow away lunch boxes

2. From the passage we know the students usually have lunch __________.

A. at school

B. in shops

C. in clubs

D. at home

3. On a no-car day, __________ will take a car to school.

A. both students and teachers

B. only students

C. neither students nor teachers

D. only teachers

4. After students mend toilets, they save __________.

A. a small river

B. a club

C. a lot of water

D. a toilet

5. The writer wrote the passage to ask students to __________.

A. clean schools

B. make less pollution

C. join clubs

D. help teachers

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