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【单选题】
小学老师在课间休息时习惯在教室外面的走廊上吸烟,该教师的行为( )
A.
合法,教师有课间休息的权利
B.
合法,教师未侵犯学生的权利
C.
不合法,教师不得在学生集体活动场所吸烟
D.
不合法,教师在征得学生同意以后方可吸烟
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举一反三
【单选题】操作良好和冶炼条件好的大高炉,焦炭负荷一般为( )。
A.
2.5~3.0
B.
3.5~4.5
C.
1.0~1.5
【单选题】10家公司的月销售额数据(万元)分别是:72,63,54,54,29,26,25,23,23,20。下列哪种图形不宜用用于描述这些数据()。
A.
茎叶图
B.
散点图
C.
条形图
D.
饼图
【单选题】Choose the most suitable heading from the list a-d for paragraph 2
A.
The shellfish have a long history in the rock and many different kinds are known.
B.
The first animals with true backbones were the fishes, first known in the rocks of 375 million years ago. About 300 million years ago, the amphibians, the animals able to live both on land and in water, appeared. They were giant, sometimes 8 feet long, and many of them lived in the swampy pools in which our coal seam, or layer, or formed. The amphibians gave rise to the reptiles and for nearly 150 million years, these were the principal forms of life on land, in the sea, and in the air.
C.
The earliest animals whose remains have been found were all very simple kinds and lived in the sea. Later forms are more complex, and among these are the sea-lilies, relations of the starfishes, which had long arms and were attached by a long stalk to the sea bed, or to rocks.
D.
When an animal dies, the body, its bones, or shell, may often be carried away by streams into lakes or the sea and there get covered up by mud. If the animal lived in the sea its body would probably sink and be covered with mud. More and more mud would fall upon it until the bones or shell become embedded and preserved.
【多选题】建筑工程中常用的气硬性胶凝材料有( )。
A.
水泥
B.
石灰
C.
石膏
D.
水玻璃
【单选题】Choose the most suitable heading from the list a-d for paragraph 3
A.
The shellfish have a long history in the rock and many different kinds are known.
B.
The first animals with true backbones were the fishes, first known in the rocks of 375 million years ago. About 300 million years ago, the amphibians, the animals able to live both on land and in water, appeared. They were giant, sometimes 8 feet long, and many of them lived in the swampy pools in which our coal seam, or layer, or formed. The amphibians gave rise to the reptiles and for nearly 150 million years, these were the principal forms of life on land, in the sea, and in the air.
C.
The earliest animals whose remains have been found were all very simple kinds and lived in the sea. Later forms are more complex, and among these are the sea-lilies, relations of the starfishes, which had long arms and were attached by a long stalk to the sea bed, or to rocks.
D.
When an animal dies, the body, its bones, or shell, may often be carried away by streams into lakes or the sea and there get covered up by mud. If the animal lived in the sea its body would probably sink and be covered with mud. More and more mud would fall upon it until the bones or shell become embedded and preserved.
【单选题】10家公司的月销售额数据(万元)分别是:72、63、54、54、29、26、25、23、23、20,下列哪种图形最不宜用于描述这些数据( )
A.
茎叶图
B.
散点图
C.
条形图
D.
饼图
【单选题】Choose the most suitable heading from the list a-d for paragraph 1
A.
The shellfish have a long history in the rock and many different kinds are known.
B.
The first animals with true backbones were the fishes, first known in the rocks of 375 million years ago. About 300 million years ago, the amphibians, the animals able to live both on land and in water, appeared. They were giant, sometimes 8 feet long, and many of them lived in the swampy pools in which our coal seam, or layer, or formed. The amphibians gave rise to the reptiles and for nearly 150 million years, these were the principal forms of life on land, in the sea, and in the air.
C.
The earliest animals whose remains have been found were all very simple kinds and lived in the sea. Later forms are more complex, and among these are the sea-lilies, relations of the starfishes, which had long arms and were attached by a long stalk to the sea bed, or to rocks.
D.
When an animal dies, the body, its bones, or shell, may often be carried away by streams into lakes or the sea and there get covered up by mud. If the animal lived in the sea its body would probably sink and be covered with mud. More and more mud would fall upon it until the bones or shell become embedded and preserved.
【单选题】Choose the most suitable heading from the list a-d for paragraph 4
A.
The shellfish have a long history in the rock and many different kinds are known.
B.
The first animals with true backbones were the fishes, first known in the rocks of 375 million years ago. About 300 million years ago, the amphibians, the animals able to live both on land and in water, appeared. They were giant, sometimes 8 feet long, and many of them lived in the swampy pools in which our coal seam, or layer, or formed. The amphibians gave rise to the reptiles and for nearly 150 million years, these were the principal forms of life on land, in the sea, and in the air.
C.
The earliest animals whose remains have been found were all very simple kinds and lived in the sea. Later forms are more complex, and among these are the sea-lilies, relations of the starfishes, which had long arms and were attached by a long stalk to the sea bed, or to rocks.
D.
When an animal dies, the body, its bones, or shell, may often be carried away by streams into lakes or the sea and there get covered up by mud. If the animal lived in the sea its body would probably sink and be covered with mud. More and more mud would fall upon it until the bones or shell become embedded and preserved.
【简答题】建筑工程中常用的气硬性胶凝材料有____________、__________、____________ 。
【简答题】属于配伍禁忌的配伍关系是
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