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Home Schooling All children in the United States have to receive an education, but the law does not say they have to be educated at school. A number of parents prefer not to send their children to school.(46)There are about 300,000 home-schoolers in the United States today. Some parents prefer teaching their children at home because they do not believe that public schools teach the correct religious values; others believe they can provide a better educational experience for their children by teaching them at home.(47) David Guterson and his wife teach their three children at home. Guterson says that his children learn very differently from children in school.(48)For example, when there is heavy snowfall on a winter day, it may start a discussion or reading about climate, snow removal (去除) equipment, Alaska, polar bears (北极熊), and winter tourism. A spring evening when the family is out watching the stars is a good time to ask questions about satellites and the space program.(49) Home schooling is often more interesting than regular schools, but critics say that home-schoolers are outsiders who might be uncomfortable mixing with other people in adult life.(50)However, most parents don&39;t have the time or the desire to teach their children at home, so schools will continue to be where most children get their formal education. (46) A. Interestingly, results show that home-schooled children quite often do better than average on national tests in reading and math. B. Critics also say that most parents are not well qualified to teach their children. C. Learning starts with the children&39;s interests and questions. D. Children who are educated at home are known as "home-schoolers." E. In some countries, however, children are educated by their parents. F. If the Brazilian rain forests are on the TV news, it could be a perfect time to talk about how rain forests influence the climate, and how deserts are formed. (47) A. Interestingly, results show that home-schooled children quite often do better than average on national tests in reading and math.B. Critics also say that most parents are not well qualified to teach their children.C. Learning starts with the children&39;s interests and questions.D. Children who are educated at home are known as "home-schoolers."E. In some countries, however, children are educated by their parents.F. If the Brazilian rain forests are on the TV news, it could be a perfect time to talk about how rain forests influence the climate, and how deserts are formed. (48) A. Interestingly, results show that home-schooled children quite often do better than average on national tests in reading and math.B. Critics also say that most parents are not well qualified to teach their children.C. Learning starts with the children&39;s interests and questions.D. Children who are educated at home are known as "home-schoolers."E. In some countries, however, children are educated by their parents.F. If the Brazilian rain forests are on the TV news, it could be a perfect time to talk about how rain forests influence the climate, and how deserts are formed. (49) A. Interestingly, results show that home-schooled children quite often do better than average on national tests in reading and math.B. Critics also say that most parents are not well qualified to teach their children.C. Learning starts with the children&39;s interests and questions.D. Children who are educated at home are known as "home-schoolers."E. In some countries, however, children are educated by their parents.F. If the Brazilian rain forests are on the TV news, it could be a perfect time to talk about how rain forests influence the climate, and how deserts are formed. (50) A. Interestingly, results show that home-schooled children quite often do better than average on national tests in reading and math.B. Critics also say that most parents are not well qualified to teach their children.C. Learning starts with the children&39;s interests and questions.D. Children who are educated at home are known as "home-schoolers."E. In some countries, however, children are educated by their parents.F. If the Brazilian rain forests are on the TV news, it could be a perfect time to talk about how rain forests influence the climate, and how deserts are formed.
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【简答题】下列关于沥青混合料摊铺的有关说法错误的是( )。
【单选题】关于沥青混合料摊铺的说法错误的是( )。
A.
开铺前将摊铺机的熨平板进行加热至不低于65℃
B.
沥青混凝土的摊铺温度一般不低于110~165℃
C.
下、中面层采用走线法施工,上面层采用平衡梁法施工
D.
摊铺过程可以根据供料情况变换速度或者中途停顿施工
【单选题】关于沥青混合料摊铺的说法正确的是( )。
A.
开铺前将摊铺机的熨平板进行加热到不低于65℃
B.
沥青混凝土的摊铺温度一般不低于125∽165℃
C.
下、中面层采用平衡梁法施工,上面层采用走线法施工
D.
摊铺过程可以中途停顿施工
【简答题】下列关于沥青混合料摊铺的有关说法错误的是( )。
【多选题】下列关于沥青混合料摊铺说法正确的是( )。
A.
摊铺过程中不准随意变换速度,尽量避免中途停顿
B.
摊铺前将摊铺机的熨平板进行加热至不低于 80 ℃
C.
下、中面层采用走线法施工,上面层采用平衡梁法施工
D.
沥青混凝土的摊铺温度一般正常施工控制在不低于 125~140 ℃
【单选题】关于沥青混合料路面混合料摊铺与碾压施工安全技术交底的内容,下列说法正确的是( )。
A.
沥青混凝土摊铺机作业,必须由施工员指挥
B.
摊铺机运行中,应及时傲好机械养护与保养工作
C.
摊铺作业在酷热时段应采取降暑措施
D.
沥青混凝土碾压工程中,应由施工员统一指挥
【简答题】关于橡胶沥青混合料的运输,下列说法正确的有( )。 A橡胶沥青混合料宜采用履带式沥青摊铺机摊铺,应提前调整摊铺机的工作状态 B在摊铺前0.5~1h将熨平板预热至不低于60℃ C摊铺速度宜控制在3~5m/min。摊铺过程中应随时观察粗细料是否均匀 D中、上面层宜采用钢丝绳引导的高程控制方式
【单选题】下列关于沥青混合料摊铺的有关说法错误的是( )。
A.
摊铺过程中不准随意变换速度,尽量避免中途停顿
B.
开铺前将摊铺机的熨平板进行加热至不低于90℃
C.
下、中面层采用走线法施工,上面层采用平衡梁法施工
D.
沥青混凝土的摊铺温度一般正常施工控制在不低于125~140℃
【单选题】两囊幼虫存在于 。
A.
环节动物门
B.
软体动物门
C.
海绵动物门
D.
棘皮动物门
【单选题】关于沥青混合料摊铺的说法错误的是( )。
A.
摊铺过程中不准随意变换速度,尽量避免中途停顿
B.
沥青混凝土的摊铺温度一般不低于110~165℃
C.
下、中面层采用走线法施工,上面层采用平衡梁法施工
D.
摊铺过程可以根据供料情况变换速度或者中途停顿施工
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