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I still clearly remember that day. I was on the side of the road for close to four hours with my big Jeep. I put signs in the windows that said, “NEED A JACK(千斤顶)”. Right as I was about to give up, a truck stopped and a man got off. He sized up the situation and went back to take a jack. After about two hours, we finished the job with sweats. We were both dirty. His wife produced a large water jug for us to wash our hands in. I tried to put $20 in the man’s hand, but he wouldn’t take it, so instead I went up and gave it to his wife as quietly as I could. I thanked them up one side and down the other. I asked the little girl, their daughter, where they lived, thinking maybe I’d send them a gift. She said they lived in Mexico. They were in Oregon now so Mommy and Daddy could pick cherries for the next few weeks. After that, they were going to pick peaches, and then go back home. After I said my goodbyes and started walking back to the Jeep, the girl called out and asked if I’d had lunch. When I told her no, she ran up and handed me a tamale(玉米粽子). I thanked them again and walked back to my car. When I opened the tamale, what did I find inside? My $20 bill! I ran to the van and the guy rolled down his window. He saw the $20 in my hand, started shaking his head smiling, and with what looked like great concentration said in English: “Today you, tomorrow me.” Then he rolled up his window and drove away, with his daughter waving to me from the back. This family, working on a seasonal basis where time is money, took a couple of hours to help a stranger while others passed by quietly. Since then I’ve helped many people like the Mexican family. I didn’t accept money. But every time I was able to help, I felt as if I was putting something in the bank. 小题1:From the passage we know that __________. A.the Mexican man couldn’t speak English B.the author’s car broke down on the road C.the Mexican family came to Oregon for a visit D.$20 was a small amount for the Mexican family 小题2:Why did the author give the money quietly to the man’s wife? A.Because the man had refused to accept it. B.Because the man’s wife needn’t wash her hands. C.Because the author thought the Mexican family was poor. D.Because the author thought the man’s wife would take it. 小题3:The Mexican man helped the author because he tended to think that ___________. A.it was completely wrong for others to pass by quietly B.it was quite easy to help the author mend the jeep C.it was possible that everyone might get into trouble D.the author was a polite stranger and deserved the help 小题4:Which of the following is TRUE about the author? A.He hated those who didn’t offer help. B.He would send a present to the family soon. C.He wondered why they didn’t take the money. D.He considered helping others as saving money in the bank. 小题5:What can we infer from the passage? A.The Mexican family lived a richer life than the author. B.The Mexican family did seasonal work in Oregon each year. C.The author was inspired to help others by the Mexican family. D.What made the writer moved was the tamale given by the girl.
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A.
去甲肾上腺素激动α受体强烈收缩血管导致的
B.
酚妥拉明收缩血管导致的
C.
肺炎导致的
D.
感染性休克导致的
E.
以上均有可能导致
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A.
维生素B12
B.
叶酸
C.
叶酸+维生素B12
D.
甲酰四氢叶酸钙
E.
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A.
硬度从小到大的排列如下:方解石、萤石、黄玉、正长石、石英、刚玉。
B.
德国摩式选择了10种标准矿物,将硬度分为10级,制成“摩式硬度计”。摩式硬度计只代表矿物的相对硬度,不代表矿物硬度的绝对硬度。
C.
在野外工作,还可以利用指甲和小钢刀来代替硬度计,指甲硬度一般2-2.5,小钢刀的硬度一般5-5.5。
D.
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A.
维生素B12
B.
叶酸
C.
叶酸+维生素B12
D.
甲酰四氢叶酸钙
E.
红细胞生成素
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A.
术前停止吸烟3周有利于支气管黏膜上皮细胞功能的恢复
B.
术前停止吸烟有利于减少碳氧血红蛋白,增加携氧能力,氧离曲线左移
C.
术前积极治疗肺部感染是消除术后肺部并发症的重要一环
D.
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E.
肾上腺皮质激素无显著改善慢支作用,因此对本患者无作用
F.
胸部物理疗法和引流对本患者十分重要
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A.
正确
B.
错误
【单选题】应用甲氨蝶呤引起的巨幼红细胞性贫血,治疗时应选用
A.
维生素B2
B.
叶酸
C.
叶酸+维生素B12
D.
亚叶酸钙+维生素B12
E.
红细胞生成素
【单选题】对于应用甲氨蝶呤引起的巨幼红细胞性贫血,治疗时宜选用
A.
甲酰四氢叶酸钙
B.
叶酸+维生素B12
C.
红细胞生成素
D.
叶酸
E.
维生素B12
【多选题】患者,男性,65岁,因进行性吞咽困难伴消瘦1个月,经纤维胃镜检查诊断为食管癌收住入院,拟择期在全麻下开胸行食管癌根治术。慢性支气管炎病史20年,目前仍然有咳嗽、咳痰,痰较多。吸烟史30年,一天20支。患者入院体检:体温37℃,HR87次/分,R18次/分,右肺轻度哮鸣音,BP150/70mmHg,无其他阳性体征。关于该患者麻醉前准备叙述正确的是?()
A.
术前停止吸烟3周有利于支气管黏膜上皮细胞功能的恢复
B.
术前停止吸烟有利于减少碳氧血红蛋白,增加携氧能力,氧离曲线左移
C.
术前积极治疗肺部感染是消除术后肺部并发症的重要一环
D.
溴化阿托品和氨茶碱为选择性β2受体兴奋药,对控制支气管痉挛有帮助
E.
肾上腺皮质激素无显著改善慢支作用,因此对本患者无作用
F.
胸部物理疗法和引流对本患者十分重要
G.
呼吸训练有须下死功夫增加肺活量,减少重要
H.
纠正营养不良及电解质平衡可提高机体免疫力,减少术后并发症
【单选题】应用甲氨蝶呤引起的巨幼红细胞性贫血,治疗时应选用
A.
维生素B12
B.
叶酸
C.
叶酸+维生素B12
D.
甲酰四氢叶酸钙
E.
红细胞生成素
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