麻黄的主要有效成分为-我要搜题网

[单选题]心电图上T波代表（）
A.心房复极液
B.心室除极液
C.心房、心室除极复极液
D.心室复极液
E.心室除极复极液

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[填空题]总配电箱、分配电箱箱体钢板厚度不应小于( )。

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[多选题]自动化立体仓储设备输送方式分为：（）。
A.皮带式输送
B. 链条式输送
C.辊道式输送
D.直筒式输送

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[多项选择]技术创新的基本特征是：（）。
A. 创造性
B. 大科学性
C. 实践性
D. 效益性

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[单选题]近年来全球掀起了Internet热，在Internet上能够（）。
A.查询检索资料
B.打国际长途电话
C.点播电视节目
D.以上都对

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[判断题]GW4型隔离开关安装前应将动触头和触指之间接触部位擦干净后，再涂适量导电脂，各旋转部位也应涂适量导电脂。
A.正确
B.错误

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[单项选择]患者男，42岁，因进餐后胸骨后哽噎感伴疼痛、反酸1个月就诊。查体：生命体征平稳，消瘦貌，心、肺阴性。最不可能的诊断是（）
A. GERD
B. 贲门失弛缓
C. 食管源性功能性胸痛
D. 弥漫性食管痉挛
E. 食管癌

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[单选题]张某大学毕业,立志成为一名人民警察,某日,张某开车外出与同学聚餐饮酒。聚会结束后,张某本想驾车回家,但想到酒驾可能涉嫌犯罪,而人民警察法明确规定受过刑事处罚不得录用为人民警察,遂放弃驾车想法,对理解法的规范作用,张某这一行为最能体现的是( )。
A.评价作用
B.预测作用
C.指引作用
D.强制作用

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[单项选择]

In the nineteenth century Charles Dickens, the English novelist, wrote excitedly (1) a stage-coach, pulled along by a team of horses, that could (2) more than twenty miles of road within sixty minutes. To us in the twentieth century in (3) man is able to move and to communicate with such rapidity, the (4) of the stage-coach seems no speed at all. Aeroplanes fly many hundreds of miles in an hour; express trains (5) four times the speed of the stage-coach; and even without (6) we can, by wireless or telegraph, communicate within seconds with people on (7) side of the’ globe. The (8) of these increased speeds are numerous. Business (9) say, from Europe to America or to the Far East can save much time. (10) a journey that would once have taken weeks, it (11) now, by air, only twenty-four hours. Fruit, vegetables and other goods that would decay (12) a long, slow journey can now be safely sent to
A. travelling men
B. men travelling
C. travelled men
D. men travelled

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[单项选择]

I usually don’t take the subway (地铁) to get to my office, but it’s a good thing I did last Tuesday. I (36) a man sitting opposite me who (37) to be extremely nervous. He was (38) wide-eyed at one of the advertisements (广告) in the car. Then his hands started to (39) . I took my medical bag and (40) to him.
"Well, what (41) seems to be wrong with you" I asked.
He pointed at an advertisement (42) the good qualities of a (43) kind of shin. It (44) :"It will not wilt, shrink, crease, or wrinkle."
"Well, (45) about it"
"I’m going (46) ," he said. "I can read it to myself, but I can’t says it out (47) "
"My dear man," I comforted him, "you can say it. Of course you can. Yon’ re (48) a little nervous. This is just a nervous attack. You must not (49) . You mus
A. advertisement
B. problem
C. situation
D. thing