Digital photography is still new enough that most of us have yet to form an opinion about it, (1) develop a point of view. But this hasn’t stopped many film and computer fans from agreeing (2) the early conventional wisdom about digital cameras—they’re neat (3) for your PC, but they’re not suitable for everyday picture-taking.
The fans are wrong: More than anything else, digital cameras are radically (4) what photography means and what it can be. The venerable medium of photography (5) we know it is beginning to seem out of (6) with the way we live. In our computer and camcorder (7) , saving pictures as digital (8) and watching them on TV is no less practical—and in many ways more (9) than fumbling with rolls of film that must be sent off to be (10) .
Paper is also terribly (11) Pictures that are incorrectly framed, (12) , or lighted are nonetheless
A. converted
B. developed
C. exposed
D. evolved
The economy in the United States is
heavily dependent on aluminum, a material widely used in the construction of
buildings and in making such diverse things as cars, airplanes, and food
containers, in 1979 Americans used over five million tons of new aluminum, and
one and a half million tons of recycled aluminum. Some ninety percent of the
bauxite (矾土) ore from which new aluminum is normally derived had to be imported
to meet the demand. Poorer ores are abundant in the United States, however, and
researchers at Purdue University may recently have found a way to obtain
aluminum magnetically from these. Although aluminum is not attracted by ordinary magnets, under special conditions it becomes temporarily "paramagnetic", or very weakly responsive to a magnetic field. This is achieved by immersing ore particles in water to which certain salts have been adde A. construction and manufacturing industry in the United States B. new technique of obtaining aluminum from poor ores C. consumption and production of aluminum in the United States D. the annual import of high-grade aluminum into the United States [单选题]下列关于国际战争的说法错误的是:
A.前苏联于1978年入侵阿富汗,持续十余年 B.1990年开始的的海湾战争源于伊朗入侵科威特 C.中东战争是以色列与周边阿拉伯国家所进行的5次大规模战争 D.1982年4月——6月,英国和阿根廷爆发了马尔维纳斯群岛海战 [单选题]ND 上的故障信息:MODE CHANGE或RANGE CHANGE或'MAP NOT AVAIL'会一起出现吗。
A.不会,每次只能出现一个 B.MODE CHANGE和RANGE CHANGE可一起出现 C.MODE CHANGE和'MAP NOT AVAIL'可一起出现 D.RANGE CHANGE和'MAP NOT AVAIL'可一起出现 [判断题]高速飞轮电池的体积小,效率高,适合车载使用。 ()
A.正确 B.错误 [简答题]教师在分析教材内容时,常常用到概念图.请简述概念图绘制的基本步骤。
[单选题]近工作距离为 330mm,远光心距为 60mm,则双焦眼镜近视线点内移量为( )。
A.1.8 B.1.9 C.2.0 D.2.1 [判断题]切断机旁应设放料台,机械运转中允许用手直接清除切刀附近的断头和杂物。
A.正确 B.错误 [简答题]中餐的甜品指的是——。
[多选题]在浴室等私密场合,财物保管的正确方法是()
A.无需担心 B.钱包手机等贵重物品不带入浴室 C.一旦发生财物失窃,及时报警和向学校保卫部门报告 D.储物柜不上锁 [判断题]对符合财政部、国家税务总局有关规定,并划为呆账的贷款,可简化程序,批量地将其归为损失类。
A.正确 B.错误 [判断题]生产经营单位的主要负责人对本单位的安全生产工作全面负责。
A.正确 B.错误 [单选题]根据变压器的工作原理,常采用改变变压器()的办法即可达到调压的目的。
A.匝数比 B.绝缘比 C.电流比 [单选题]CRH380B型动车组中每辆端车的司机室内,其中一个CCU在()下工作,另一个工作在从方式下工作。
A.主方式 B.强方式 C.弱方式 D.正方式 [单项选择]OSI的中文含义是()。
A. 网络通信协议 B. 开放系统互连参考系统 C. 公共数据通信网 D. 国家信息基础设施 [单选题]同步网一级节点采用( )
A.一级基准时钟 B.二级节点时钟 C.三级节点时钟 D.四级节点时钟 [单选题]甲烷的沸点是( )。
A.A.-162.6℃ B.B.0℃ C.C.100℃ D.D.162.6℃ 我来回答: 提交
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