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【单选题】
当代社会的发展使人们的生活方式发生了新的变化。商场购物、歌厅娱乐、广场漫步、名胜游览、图书馆学习、体育馆健身、互联网冲浪 , 等等 , 人们可以根据自身的需要及年龄、兴趣、职业、经济条件等因素 , 选择和变换参与公共生活的具体方式。这就是当代社会公共生活特征之 ( ) 。A.
活动范围的普遍性
B.
活动内容的复杂性
C.
交往对象的社会性
D.
活动方式的多样性
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举一反三
【单选题】Air pollution and the degradation of the environment can be regarded as:
A.
An inefficient production outcome
B.
A social cost
C.
A misallocation of resources
D.
An economic loss
【单选题】Under conditions of glucagon release, the degradation of liver glycogen normally produces which one of the following?
A.
More glucose than glucose 1-P
B.
More glucose 1-P than glucose
C.
Equal amounts of glucose and glucose 1-P
D.
Neither glucose nor glucose 1-P
E.
Only glucose 1-P
【简答题】CD-R光盘刻录机主要有四种刻录方式：______ 、轨道刻写、多段、增量式分组刻写。
【单选题】The real goal in security now is to retard the degradation of the halfl ives of secrets. Secrets are like isotopes.
A.
reduction of energy to a less readily convertible form
B.
wearing down and disintegrating of rock
C.
lowering the quality of something
【单选题】下列各组词语中的后一个音节都读轻声的一组是（）。
A.
石榴、木头、爸爸、认识、明白
B.
先生、桌子、消息、老头、经过
C.
委屈、亲家、佩服、清楚、电子
D.
动弹、姐姐、高兴、美好、看过
【单选题】The degradation of amino acids can be classified into families, which are named after the end product of the degradative pathway. Which one of the following is such an end product?
A.
Citrate
B.
Glyceraldehyde 3-phosphate
C.
Fructose 6-phosphate
D.
Malate
E.
Succinyl-CoA
【简答题】视频监控系统一般设置有:_____、_____、录像机(或硬盘刻录机)、矩阵主机和画面处理器等。
【单选题】The use of big data can help scientists __________ not only the degradation of the environment but can be part of the solution to achieve sustainability, according to a new commentary paper.
A.
dock
B.
chart
C.
participate
D.
range
【判断题】目前市场上常用的有CD光盘刻录机和DVD光盘刻录机,包括CD-R刻录机、DVD-R刻录机、CD-RW、DVD-R/DVD+R、DVD-RW/DVD+RW、DVD-RAM等类型。
A.
正确
B.
错误
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