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某建筑公司施工楼层采用梁板结构，单向板受力，跨度为4m，支撑于两边筒支粱上。梁的跨度为5m。装修时在板上铺设水磨石地面，水磨石重度γ=20kN/m3，装修厚度为0.04m。梁跨中增加的弯矩为（）kN·m。

A. 4.8
B. 5.0
C. 1.6
D. 0.8

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Questions 14 to 16 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now, listen to the passage. What do children tend to feel when their parent drinks a lot

A. They have caused their parent to drink a lot.
B. They have felt sick at their alcoholic parent.
C. They are inclined to change their favorite drink.
D. They will like drinking all the time as their parent.

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Questions 4 to 6 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions. Now, listen to the conversation. What is the man doing

A. He is just browsing.
B. He is looking for a mattress.
C. He is just trying to kill time.
D. He is interested in buying something.

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某建筑公司施工楼层采用梁板结构，单向板受力，跨度为4m，支撑于两边筒支粱上。梁的跨度为5m。装修时在板上铺设水磨石地面，水磨石重度γ=20kN/m3，装修厚度为0.04m。梁上增加的线荷载为（）kN/m3。

A. 10
B. 8
C. 4
D. 1.6

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矛盾无处不在，矛盾无处不有。请结合有关原理，论述毛泽东的社会主义矛盾学说及其意义。

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某建筑公司施工楼层采用梁板结构，单向板受力，跨度为4m，支撑于两边筒支粱上。梁的跨度为5m。装修时在板上铺设水磨石地面，水磨石重度γ=20kN/m3，装修厚度为0.04m。 梁跨中增加的弯矩为（）kN·m。

A. 4.8 B. 5.0 C. 1.6 D. 0.8

Questions 14 to 16 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now, listen to the passage. What do children tend to feel when their parent drinks a lot

Questions 4 to 6 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions. Now, listen to the conversation. What is the man doing

某建筑公司施工楼层采用梁板结构，单向板受力，跨度为4m，支撑于两边筒支粱上。梁的跨度为5m。装修时在板上铺设水磨石地面，水磨石重度γ=20kN/m3，装修厚度为0.04m。 梁上增加的线荷载为（）kN/m3。

矛盾无处不在，矛盾无处不有。请结合有关原理，论述毛泽东的社会主义矛盾学说及其意义。

某建筑公司施工楼层采用梁板结构，单向板受力，跨度为4m，支撑于两边筒支粱上。梁的跨度为5m。装修时在板上铺设水磨石地面，水磨石重度γ=20kN/m3，装修厚度为0.04m。梁跨中增加的弯矩为（）kN·m。

A. 4.8
B. 5.0
C. 1.6
D. 0.8

某建筑公司施工楼层采用梁板结构，单向板受力，跨度为4m，支撑于两边筒支粱上。梁的跨度为5m。装修时在板上铺设水磨石地面，水磨石重度γ=20kN/m3，装修厚度为0.04m。梁上增加的线荷载为（）kN/m3。