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【多选题】
新石器时代陶器器口上的符号分为哪两类?A.
抽象符号
B.
象形符号
C.
曲线符号
D.
动物符号
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【简答题】With an eighty-hour week and little enjoyment, life must have been very ________ for the nineth-century factory workers. A) hostile B) anxious C) tedious D) obscure
【单选题】关于WEB标准下列说法正确的是
A.
html决定页面的行为，css决定页面的样式，js决定页面的结构
B.
html决定页面的样式，css决定页面的结构，js决定页面的行为
C.
html决定页面的结构，css决定页面的样式，js决定页面的行为
D.
以上都不正确
【单选题】党的十五届五中全会通过的《建议》指出，二十多年的改革和发展，使我国的生产力水平迈上了一个大台阶，商品短缺状况基本结束，市场供求关系发生了重大变化；社会主义市场经济体制初步建立，市场机制在配置资源中日益明显地发挥基础性作用，经济发展的体制环境发生了重大变化；全方位对外开放格局基本形成，开放型经济迅速发展，对外经济关系发生了重大变化。我们已经实现了现代化建设的前两步战略目标，经济和社会全面发展，人民生...
A.
①③
B.
①④
C.
②③
D.
②④
【简答题】A．It must be the right height. B．It must have several gears. C．It must have good tires. D．It must be the right weight.
【简答题】A．must have been provided B．might have provided C．must have provided D．might have been provided
【单选题】你正在从事新药开发项目，该药具有改善人类睡眠和促进身高增长的作用。新药产品即将进行临床试验。这时，产品试验被更加详细地分为三个阶段，即三次第一阶段试验和四次第二阶段试验以及五次第三阶段试验。这种做法是以下哪一种情况的实例？()
A.
产品生命周期中的质量功能展开
B.
依据工作分解结构来定义项目活动
C.
谨慎的风险应对
D.
项目生命周期中的渐进明细
【简答题】What must have happened to the writer in the end? [A] He must have spent a long time at the customs and must have been let go without any punishment. [B] He must have been given a fine as a punishment...
【单选题】What must have happened to the writer in the end?
A.
He must have spent a long time at the customs and must have been let go without any punishment.
B.
He must have been given a fine as a punishment.
C.
His Rolex must have been confiscated. '
D.
His cheap watch must have been confiscated.
【单选题】He looks tired, he()too little sleep.
A.
must have
B.
must have had
C.
must have been
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【简答题】A．must have been provided B．might have provided C．must have provided D．might have been provided
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