对α受体基本无作用的药物是 （） A.去甲肾上腺素 B.可乐定 C.去氧肾上腺素 发布时间：2017-04-14 16:29 │ 来源：www.tikuol.com 题型：单项选择题 A型题 问题： 对α受体基本无作用的药物是 （）A.去甲肾上腺素B.可乐定C.去氧肾上腺素D.肾上腺素E.异丙肾上腺素
题型：单项选择题 A型题 完形填空。 One summer in college, I was invited to be an instructor at a high school leadership camp. I first 1 a boy under the tree on the first day of camp. His obvious 2 and shyness made him appearweak and lonely. Nearby, 200 13 campers were playing and joking, but the boy seemed to want to beanywhere 4 where he was. I was instructed to care more about campers who might feel 5 . So I 6 him and said, "Hi, I'm Kevin.It's nice to meet you. How are you?" 7 a shaky voice he 8 answered, "Okay, I guess." I calmly asked him to join in the activities and 9 some new people. He quietly replied, "No, this is not really my thing." I could 10 that this whole experience was 11 to him. But I somehow knew it wouldn't be right to 12 him, either. It was going to take more time and 13 . The next day, I was leading camp songs for the campers. They eagerly participated. But the boy was just sitting alone, 14 out the window. That evening at our nightly staff meeting, I made my 15 about him known. I asked them to pay special attention and spend time with him 16 they could. The days flew by fast. When the "last dance" came, surprisingly, the boy from under the tree was now a shirtless dancing 17 . He owned the dance floor 18 meaningful time with others. I couldn't believe it was him. In that instant, I realized how easy it is to give a bit of 19 every day. You may never know how much each gesture may mean to someone else. I tell this story as 20 as I can, and I advise others to look out for their own "boy under the tree." ( )1.A. learned ( )2.A. anger ( )3.A. ambitious ( )4.A. other than ( )5.A. left out ( )6.A. passed ( )7.A. At ( )8.A. unfortunately ( )9.A. help ( )10.A. sense ( )11.A. familiar ( )12.A. push ( )13.A. effects ( )14.A. observing ( )15.A. trouble ( )16.A. unless ( )17.A. wonder ( )18.A. sparing ( )19.A. himself ( )20.A. soon B. recognized B. discomfort B. curious B. just as B. put out B. left B. In B. tmwillingly B. interview B. suggest B. similar B. pull B. exercises B. examining B. concern B. before B. danger B. saving B. yourself B. far C. noticed C. excitement C. anxious C. or rather C. made out C. visited C. On C. unconsciously C. find C. consider C. strange C. pardon C. efforts C. admiring C. devotion C. when C. scene C. spreading C. themselves C. often D. heard D. satisfaction D. eager D. as well as D. let out D. approached D. By D. uninterestingly D. meet D. prove D. typical D. punish D. expenses D. staring D. understanding D. since D. instructor D. sharing D. itself D. long 查看答案
题型：单项选择题 A型题 依据《固定式压力容器安全技术监察规程》，判断下列有关压力容器焊接接头返修的说法哪些是正确的？（）A.应分析缺陷产生的原因，提出相应的返修方案B.同一部位的返修次数不宜超过2次C.要求焊后热处理的压力容器，应在热处理前焊接返修如在热处理后进行焊接返修，应当根据补焊深度确定是否需要进行消除应力处理D.有耐腐蚀要求的压力容器，返修部位仍需保证不低于原有的耐腐蚀性能。 查看答案