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【单选题】
施工企业发生的下列事故中，可构成工程重大安全事故（）。
A.
施工企业工程施工质量不符合标准，造成建筑物倒塌，砸死砸伤多人
B.
劳务作业人员在施工中不慎从楼下坠亡
C.
施工企业对裸露地面的钢筋未采取防护和警示措施，造成路上摔成重伤
D.
劳务作业人员张某在工地食堂下毒，致使劳务作业人员集体中毒
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举一反三
【单选题】You are the network administrator for TestKing. You manage a Windows Server 2003 computer named TestKing4 that functions as an application server. TestKing4 will be used for development during the nex...
A.
Create a scheduled backup job as a normal backup. Copy the backup job, and modify the start date so that one job starts every day for the next 30 days.
B.
Create a scheduled backup job as a daily backup. Set the start date of the job for today, and set the end date for 30 days from today.
C.
Create a scheduled backup job as a copy backup. Copy the backup job, and modify the start date so that one job starts every day for the next 30 days.
D.
Create a scheduled backup job as a normal backup. Set the start date of the job for today, and set the end date for 30 days from today.
查看完整题目与答案
【单选题】我国对“三同时”制度作出具体规定的行政法规是______
A.
《规划环境影响评价条例》
B.
《排污费征收使用管理条例》
C.
《全国环境监测管理条例》
D.
《建设项目环境管理保护条例》
查看完整题目与答案
【单选题】The first invention of human beings was the wheel. Although no wheel forms are found in nature, undoubtedly the earliest "wheels" were smooth logs which were used for moving weights over the earth's s...
A.
The wheel is used today in industry and transportation.
B.
One of human beings' first inventions, the wheel, has remained important for 4,000 years.
C.
The basic design of the wheel has been changed to meet the needs of industrial society.
D.
Although we don't know exactly who invented the wheel, it is evident that the Egyptians and Chinese used it about 4,000 years ago.
查看完整题目与答案
【单选题】科学家指出，食用虾类等水生甲壳类动物的同时服用维生素C容易中毒，这是因为对人体无害的＋5价砷（As）类物质在维生素C的作用下，能够转化为有毒的＋3价砷类化合物。有关说法正确的是（   ）
A.
维生素C具有还原性
B.
＋5价砷既可得电子，又可失电子
C.
AsH 3 的稳定性强于HBr
D.
上述过程中砷元素发生氧化反应，含＋3价砷的物质为氧化产物
查看完整题目与答案
【单选题】我国对“三同时”制度作出具体规定的行政法规是
A.
《规划环境影响评价条例》
B.
《排污费征收使用管理条例》
C.
《全国环境监测管理条例》
D.
《建设项目环境保护管理条例》
查看完整题目与答案
【单选题】Have you ever been afraid to talk back when you were treated unfairly? Have you ever bought something just because the salesman talked you into it? Are you afraid to ask someone for a date? Q. As used...
A.
persuade somebody to change his mind
B.
answer showing disagreement
C.
fight bravely
查看完整题目与答案
【简答题】（42分） 某校高二（1）班的同学在以“中国传统文化与社会变革”为课题的研究性学习活动中，结合当前社会现实，展开讨论。请你参与其中，并回答有关问题。 【相关链接】医参任汉相三年，遵照萧何制定好的法规治理国家，主张清静无为不抚民，使汉初社会凋敞残破的局面得以改观。史称“萧规曹随”。 此后的“文景之治”又相继实行修养生息政策，使因为日益增强。汉武帝凭借丰富的物质积累和稳固的统治基础，开疆拓土，实施改革...
查看完整题目与答案
【简答题】There are forty-seven different kinds of kangaroos(袋鼠). The smallest kangaroos are about a quarter of a meter long; the biggest are taller than a man. Kangaroos have very long strong back legs. These ...
查看完整题目与答案
【单选题】关于重金属的说法不正确的是（ ）。
A.
土壤中镉的环境容量要小得多，这是土壤镉污染的一个重要特点。
B.
铬主要用于金属加工、电镀、制革等行业。
C.
土壤pH值升高，砷溶解度显著降低。
D.
砷的硫化物矿自古以来被用作颜料和杀虫剂、灭鼠药。硫化合物具有强烈毒性.
查看完整题目与答案
【单选题】Rollback segments are used for:
A.
read consistency
B.
rolling back transactions
C.
recovering the database
D.
all of the above
查看完整题目与答案
相关题目：
【单选题】You are the network administrator for TestKing. You manage a Windows Server 2003 computer named TestKing4 that functions as an application server. TestKing4 will be used for development during the nex...
A.
Create a scheduled backup job as a normal backup. Copy the backup job, and modify the start date so that one job starts every day for the next 30 days.
B.
Create a scheduled backup job as a daily backup. Set the start date of the job for today, and set the end date for 30 days from today.
C.
Create a scheduled backup job as a copy backup. Copy the backup job, and modify the start date so that one job starts every day for the next 30 days.
D.
Create a scheduled backup job as a normal backup. Set the start date of the job for today, and set the end date for 30 days from today.
查看完整题目与答案
【单选题】我国对“三同时”制度作出具体规定的行政法规是______
A.
《规划环境影响评价条例》
B.
《排污费征收使用管理条例》
C.
《全国环境监测管理条例》
D.
《建设项目环境管理保护条例》
查看完整题目与答案
【单选题】The first invention of human beings was the wheel. Although no wheel forms are found in nature, undoubtedly the earliest "wheels" were smooth logs which were used for moving weights over the earth's s...
A.
The wheel is used today in industry and transportation.
B.
One of human beings' first inventions, the wheel, has remained important for 4,000 years.
C.
The basic design of the wheel has been changed to meet the needs of industrial society.
D.
Although we don't know exactly who invented the wheel, it is evident that the Egyptians and Chinese used it about 4,000 years ago.
查看完整题目与答案
【单选题】科学家指出，食用虾类等水生甲壳类动物的同时服用维生素C容易中毒，这是因为对人体无害的＋5价砷（As）类物质在维生素C的作用下，能够转化为有毒的＋3价砷类化合物。有关说法正确的是（   ）
A.
维生素C具有还原性
B.
＋5价砷既可得电子，又可失电子
C.
AsH 3 的稳定性强于HBr
D.
上述过程中砷元素发生氧化反应，含＋3价砷的物质为氧化产物
查看完整题目与答案
【单选题】我国对“三同时”制度作出具体规定的行政法规是
A.
《规划环境影响评价条例》
B.
《排污费征收使用管理条例》
C.
《全国环境监测管理条例》
D.
《建设项目环境保护管理条例》
查看完整题目与答案
【单选题】Have you ever been afraid to talk back when you were treated unfairly? Have you ever bought something just because the salesman talked you into it? Are you afraid to ask someone for a date? Q. As used...
A.
persuade somebody to change his mind
B.
answer showing disagreement
C.
fight bravely
查看完整题目与答案
【简答题】（42分） 某校高二（1）班的同学在以“中国传统文化与社会变革”为课题的研究性学习活动中，结合当前社会现实，展开讨论。请你参与其中，并回答有关问题。 【相关链接】医参任汉相三年，遵照萧何制定好的法规治理国家，主张清静无为不抚民，使汉初社会凋敞残破的局面得以改观。史称“萧规曹随”。 此后的“文景之治”又相继实行修养生息政策，使因为日益增强。汉武帝凭借丰富的物质积累和稳固的统治基础，开疆拓土，实施改革...
查看完整题目与答案
【简答题】There are forty-seven different kinds of kangaroos(袋鼠). The smallest kangaroos are about a quarter of a meter long; the biggest are taller than a man. Kangaroos have very long strong back legs. These ...
查看完整题目与答案
【单选题】关于重金属的说法不正确的是（ ）。
A.
土壤中镉的环境容量要小得多，这是土壤镉污染的一个重要特点。
B.
铬主要用于金属加工、电镀、制革等行业。
C.
土壤pH值升高，砷溶解度显著降低。
D.
砷的硫化物矿自古以来被用作颜料和杀虫剂、灭鼠药。硫化合物具有强烈毒性.
查看完整题目与答案
【单选题】Rollback segments are used for:
A.
read consistency
B.
rolling back transactions
C.
recovering the database
D.
all of the above
查看完整题目与答案