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问题 单项选择题

残疾人社会工作的主要内容和目标是（）。

A.维护残疾人的合法权益

B.改善残疾人的生活质量

C.恢复残疾人的身体健康

D.增强人们关心、爱护残疾人的意识

答案

参考答案：B

解析：改善残疾人的生活质量是残疾人社会工作的主要内容和目标。

单项选择题

灯用煤油中含（）多，点燃时会冒黑烟和使灯芯易结焦，是有害组分。

A.烷烃

B.烯烃

C.醇

D.芳香烃
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单项选择题

The task at hand now is to (56) the programmers who still use yesterday’s software technology to solve today’s software problems. Object-oriented programming requires a new attitude toward problem (57) . Problem (57) with computer system becomes more natural. Application can (58) be translated into (59) . Although it is commonly believed that it will be easier to train new programmers to use object-oriented techniques than to (60) programmers who have substantial experience in applying conventional programming language constructs.

A．classes

B．class

C．objects

D．object
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