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【判断题】
锅炉压力容器、压力管道是生产和人民生活中广泛使用的可能引起燃烧、爆炸或中毒等危险性较大的特种设备。
A.
正确
B.
错误
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【判断题】塞曼效应实验中, π 线和 σ 线在平行于磁场方向传播时,看不到 π 线。
A.
正确
B.
错误
【多选题】初学书法,应该关注什么?
A.
实践与理论并重
B.
尊重传统,讲究古典
C.
注重创新
D.
取法乎上
【判断题】π线和σ线在平行于磁场方向传播时,看不到π线。
A.
正确
B.
错误
【单选题】新型环保水系灭火器可扑救可燃固体(A类)、可燃油类(B类)、可燃气类(C类)、及 ( ) V以下带电设备的初起火灾。
A.
500
B.
1000
C.
1500
D.
2000
【简答题】Richard found a job in a big office after he finished college. He liked to use his(1)___ and was good at his job. So he was often paid more than (得到的报酬多于) his workmates and he worked (2) _____ . But s...
【简答题】Balzac(巴尔扎克) was a great French writer. But he was very poor before he became famous. He lived in a dirty, wet room and was often worried about food. All his friends were very poor and they could not ...
【简答题】Richard found work in a big office after he had finished college. He liked to use his head and was good 46 his work. So he was often paid more than his workmates and he worked faster. But something wa...
【简答题】Mr. Johnson lives outside the town. He works in a post office. His wife is often ill and six children __26____ at school. He works hard but he is often short of __27____. In the end of every month his...
【单选题】()灭火器可扑救可燃固体、可燃油类、可燃气类及1000V以下带电设备的初起火灾。
A.
新型环保水系
B.
二氧化碳
C.
泡沫
【单选题】新型环保水系灭火器可扑救可燃固体(A类)、可燃油类(B类)、可燃气类(C类)、及 ( ) V以下带电设备的初起火灾。
A.
A、500
B.
B1000
C.
C、  1500
D.
2000
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