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Malls(大型购物中心) are popular for Americans to go to. Some people spend 1 much time at malls that they are called “ mall rats ” . Mall rats shop until they visit hundreds of stores. People like malls for many 2 They feel safe because malls have police stations. Parking is usually 3 , and the temperature inside is always fine. The newest malls have beautiful rest areas with waterfalls and large green trees. The 4 mall in the United States is the Mall of America in Minnesota. It covers 4.2 million square feet. It has 350 stores, eight night clubs, and a large park. There are parking spaces for 12 , 750 5 . About 750 , 000 people shop there every week. The first mall in the United States was built in 1965 in Edina, Minnesota. People love doing all their shopping in 6 place(s). More malls are built around the country. Now malls are like town centers where people come to 7 many things, they shop, of course, they also eat in food courts that have food from all over the world. They see movies at theaters. Some people even get their daily 8 by doing the new sport of “ mall walking. ” 9 go to malls to meet friends. In some malls, people can see a doctor or a dentist and even go to the church. In other words, people can do just about 10 in malls. Now people can actually live in their favorite shopping center.
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【单选题】将材料为40Cr的齿轮毛坯加工成6级精度的硬齿面直齿圆柱齿轮,该齿轮的制造工艺顺序应为____。
A.
滚齿、渗碳淬火、磨齿
B.
滚齿、调质、磨齿
C.
滚齿、表面淬火、磨齿
D.
调质、滚齿、磨齿
【单选题】在我国,( )测量才称为精密水准测量。
A.
国家一等水准测量
B.
国家一、二等水准测量
C.
国家一、二、三等水准测量
D.
国家一、二、三、四等水准测量
【单选题】将给出的合金钢牌号按照 合金调质钢、合金弹簧钢、冷模具钢、热模具钢、不锈钢进行排序正确的是( )。 60Si2Mn、40Cr、3Cr2W8V、1Cr13、Cr12MoV。
A.
60Si2Mn、40Cr、Cr12MoV、1Cr13、3Cr2W8V
B.
40Cr、60Si2Mn、Cr12MoV、3Cr2W8V、1Cr13
C.
Cr12MoV、40Cr、60Si2Mn、3Cr2W8V、1Cr13
D.
40Cr、Cr12MoV、3Cr2W8V、1Cr13、60Si2Mn
【简答题】将下列合金钢牌号归类:合金结构钢有( );合金工具钢有( );特殊性能钢有( );合金弹簧钢有( );合金模具钢有( );不锈钢有( )。 A 、 40 Cr B 、 60Si2Mn C 、 15CrMo D 、 Cr12Mo E 、 3Cr2W8V F 、 1Cr13
【单选题】下列消毒剂中属于高效类消毒剂的是
A.
氯已定
B.
碘伏
C.
75%乙醇
D.
苯扎溴铵
E.
碘酊
【多选题】患者,男,68岁,因"前列腺肥大"拟行前列腺切除术入院。30小时前行前列腺活检术,6小时前突发寒战、高热,体温40℃,血压进行性下降至80/40mmHg,且神志逐渐淡漠,病房予降温、补液治疗不见好转,遂转入ICU。既往:冠心病史3年,稳定性心绞痛,规律服药治疗。查体:T38.3℃,P120次/分,R30次/分,BP90/43mmHg(静点多巴胺15μg/kg·min)。患者烦躁,查体欠合作,双肺听...
A.
加用多巴酚丁胺维持血压
B.
加用肾上腺素维持血压
C.
继续将多巴胺加量
D.
减量多巴胺,加用去甲肾上腺素
E.
继续晶体液和胶体液扩容
F.
输注浓缩红细胞
G.
立即行CVVH治疗
H.
给予利尿剂
I.
扩容基础上仍依赖血管加压药可加用激素治疗
【多选题】70年来,中国外交不断拓展和深化,形成了——的外交布局
A.
全方位
B.
多层次
C.
立体化
D.
宽领域
【单选题】将材料为 40Cr 的齿轮毛坯加工成为 6 级精度的硬齿面直齿圆柱齿轮,该齿轮制造工艺顺序应为 _______ 。
A.
滚齿、表面淬火、磨齿
B.
滚齿、磨齿、表面淬火
C.
表面淬火、滚齿、磨齿
D.
滚齿、调质、磨齿
【多选题】新中国成立70年来,中国外交不断拓展和深化,形成了()、()、()的外交布局,取得了历史性成就。
A.
全方位
B.
多层次
C.
宽领域
D.
立体化
E.
大格局
【单选题】在我国, 测量称为精密水准测量。
A.
国家一等水准
B.
国家一二等水准
C.
国家一二三等水准
D.
国家一二三四等水准
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