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【单选题】
要保证飞机具有俯仰稳定性，以下说法正确的是______。
A.
焦点位置在重心之前
B.
焦点位置在重心之后
C.
焦点位置和重心位置重合
D.
以上均不对
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参考答案：
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【判断题】焦糊食物中的苯并芘要比普通食物增加10到20倍。苯并芘是一种致癌物质。
A.
正确
B.
错误
查看完整题目与答案
【简答题】When an ant dies, other ants take it out of the nest, often within an hour after its death. This behavior interests scientists and they wonder how ants know for sure—and so soon—that another ant is de...
查看完整题目与答案
【多选题】职业病危害项目申报内容包括( )。
A.
职业病危害防护设施，应急救援设施
B.
职业病危害因素的检测
C.
用人单位的基本情况
D.
工作场所职业病危害因素种类、浓度或强度
E.
产生职业病危害因素的生产技术、工艺和材料
查看完整题目与答案
【单选题】某燃气企业在进行职业病危害专项检查时,对检查出的职业病危害因素进行了分类下列按照职业病危害因素来源进行分类的说法中,正确的是( )。
A.
客服大厅的工作台与座椅高度不匹配,属于劳动过程中产生的有害因素
B.
燃气管线的巡线人员网格点分配过多,属于生产过程中产生的有害因素
C.
燃气管线的巡线人员夏天容易中署,属于劳动过程中产生的有害因素
D.
加气站的维修工长期工作在噪声条件下,属于生产环墳中的有害因素
查看完整题目与答案
【单选题】在( )的情况下,逻辑运算“或非”的结果是逻辑“1”
A.
全部输入是“0”
B.
任一输入是“0”
C.
任一输入是“1”
D.
全部输入是“1”
查看完整题目与答案
【单选题】供应链是以( )为表现的网络关系
A.
流程自动控制
B.
流程规划方式
C.
网络虚拟
D.
数学和管理方式
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【单选题】Origin of languages and culturesAll people on the earth had one language and the same words. When they traveled east, they found a valley in the land of Shinar and settled there. They said to each oth...
A.
The LORD decided to mix up language so people can understand each other's language.
B.
People used bricks for stones and asphalt for mortar.
C.
People decided to make a name for themselves so that they won't be dispersed over all the earth.
D.
All people on the earth had one language and the same words at the beginning.
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【简答题】选择以下单词,填入下面短文中 invent, doubt, mention, nearly, website, all of sudden It is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may ______ thin...
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【简答题】When I arrived at the Banner 1 ______________ I was so impressed by the fact that they came to me. I didn’t really want to 2. ______________. They came up to me and said, “Well, is there something we ...
查看完整题目与答案
【判断题】Manufacturers use standards so they can market their products to a wider audience than if they came up with separate – and perhaps incompatible – specifications.
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【判断题】焦糊食物中的苯并芘要比普通食物增加10到20倍。苯并芘是一种致癌物质。
A.
正确
B.
错误
查看完整题目与答案
【简答题】When an ant dies, other ants take it out of the nest, often within an hour after its death. This behavior interests scientists and they wonder how ants know for sure—and so soon—that another ant is de...
查看完整题目与答案
【多选题】职业病危害项目申报内容包括( )。
A.
职业病危害防护设施，应急救援设施
B.
职业病危害因素的检测
C.
用人单位的基本情况
D.
工作场所职业病危害因素种类、浓度或强度
E.
产生职业病危害因素的生产技术、工艺和材料
查看完整题目与答案
【单选题】某燃气企业在进行职业病危害专项检查时,对检查出的职业病危害因素进行了分类下列按照职业病危害因素来源进行分类的说法中,正确的是( )。
A.
客服大厅的工作台与座椅高度不匹配,属于劳动过程中产生的有害因素
B.
燃气管线的巡线人员网格点分配过多,属于生产过程中产生的有害因素
C.
燃气管线的巡线人员夏天容易中署,属于劳动过程中产生的有害因素
D.
加气站的维修工长期工作在噪声条件下,属于生产环墳中的有害因素
查看完整题目与答案
【单选题】在( )的情况下,逻辑运算“或非”的结果是逻辑“1”
A.
全部输入是“0”
B.
任一输入是“0”
C.
任一输入是“1”
D.
全部输入是“1”
查看完整题目与答案
【单选题】供应链是以( )为表现的网络关系
A.
流程自动控制
B.
流程规划方式
C.
网络虚拟
D.
数学和管理方式
查看完整题目与答案
【单选题】Origin of languages and culturesAll people on the earth had one language and the same words. When they traveled east, they found a valley in the land of Shinar and settled there. They said to each oth...
A.
The LORD decided to mix up language so people can understand each other's language.
B.
People used bricks for stones and asphalt for mortar.
C.
People decided to make a name for themselves so that they won't be dispersed over all the earth.
D.
All people on the earth had one language and the same words at the beginning.
查看完整题目与答案
【简答题】选择以下单词,填入下面短文中 invent, doubt, mention, nearly, website, all of sudden It is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may ______ thin...
查看完整题目与答案
【简答题】When I arrived at the Banner 1 ______________ I was so impressed by the fact that they came to me. I didn’t really want to 2. ______________. They came up to me and said, “Well, is there something we ...
查看完整题目与答案
【判断题】Manufacturers use standards so they can market their products to a wider audience than if they came up with separate – and perhaps incompatible – specifications.
A.
正确
B.
错误
查看完整题目与答案
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