刚性防水屋面防水层的细石混凝土宜用()。A.火山灰水泥 B.粉煤灰水泥 C.硅酸盐水

题型:单项选择题

问题:

刚性防水屋面防水层的细石混凝土宜用()。

A.火山灰水泥

B.粉煤灰水泥

C.硅酸盐水泥

D.矿渣水泥

考点:一级建造师建筑工程建筑工程管理与实务
题型:单项选择题

患者,女性,因溃疡性结肠炎急性发作入院。此时应给予患者的饮食为()

A.无渣流质饮食

B.水果及纤维素丰富的饮食

C.应多食牛奶或乳制品

D.低蛋白质饮食

E.高蛋白质、高纤维素、高热量普食

题型:单项选择题

下列反应的产物中,不可能存在同分异构体的是(  )

A.甲烷在光照条件下与氯气反应

B.异戊二烯和溴加成

C.丙烯一定条件下与HCl加成

D.甲苯一定条件下发生硝化反应生成硝基甲苯

题型:单项选择题

流行病学统计,女性发病多于男性的有()

A.白斑

B.扁平苔藓

C.龋病

D.创伤性溃疡

E.流行性腮腺炎

题型:单项选择题

A little boy invited his mother to attend his school’s first teacher-parent meeting. To the little boy’s (1) , she said she would go. This (2) be the first time that his classmates and teacher (3) his mother and he felt (4) of her appearance. Although she was a beautiful woman, there was a severe sear (疤痕) that (5) nearly the entire right side of her face. The boy never wanted to (6) why or how she got the sear.At the meeting, the people were (7) by the kindness and natural beauty of his mother (8) the sear, but the little boy was still embarrassed (尴尬) and (9) himself from everyone. He did, however, get within (10) of a conversation between his mother and his teacher.The teacher asked (11) ," How did you get the scar on your face"The mother replied, " (12) my son was a baby, he was in a room that caught fire. Everyone was (13) afraid to go in because the fire was (14) , so I went in. As I was running toward his bed, I saw a long piece of wood coming down and I placed myself over him trying to protect him. I was knocked (15) but fortunately, a fireman came in and saved both of us. " She (16) the burned side of her face. "This scar will be (17) , but to this day, I have never (18) what I did. "At this moment, the little boy came out running toward his mother with tears in his eyes. He held her in his arms and felt a great (19) of the sacrifice (牺牲) that his mother had made for him. He held her hand (20) for the rest of the day.

第(5)空应选择()

A.included 

B.passed 

C.covered 

D.shaded

题型:单项选择题

金属基底桥架制作时,桥体龈端与牙槽嵴粘膜之间()

A.应核有0.1mm的间隙

B.应该有0.5mm的间隙

C.应该有1.0mm的间隙

D.应该紧密接触,以防异物嵌塞进入

E.应该轻微接触但不压迫牙龈

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