【单选题】【消耗次数:1】
Mr Green _______a good teacher.
has always been
has been always
always has been
参考答案:
复制
纠错
相关题目
【单选题】 It has always been the ___ of our firm to encourage workers to take part in social activities.
①  plan
②  campaign
③  procedure
④  policy
【单选题】 She has always been quick to pick things up, doing ( ) well in school without really trying.
①  passably
②  passable
③  passenger@passage
【单选题】 24. The kind-hearted woman always tries to help others, but recently she has been ____kind and generous.
①  chiefly
②  specially
③  principally
④  especially
【单选题】 He has been there, [填空]?
①  hasnt he
②  has he
③  does he
④  doesnt he
【单选题】 He has been writing the essay the whole morning and he still ___ .
①  has been
②  does
③  has
④  is
【单选题】 He has been writing the essay the whole morning and he still ___ .
①  has been
②  does
③  has
④  is
【单选题】 The disappearance of her paper has never been _____.
①  counted for
②  looked up
③  accounted for
④  checked up
【单选题】 The new technology has been ( ) in the industrial production.
①  utilized
②  possessed
③  elevated
④  focused
【单选题】 Tom has been a vegetarian ____ principle for years.
①  in
②  on
③  for
④  by
【判断题】 He has been in china for three years.
①  正确
②  错误
随机题目
【判断题】 盐酸卡丁因属于苯甲酸酯类局麻药
①  正确
②  错误
【判断题】 碘解磷定的结构含碘离子和季铵氮
①  正确
②  错误
【判断题】 磺胺类药物的主要作用是通过直接杀灭细菌,而不是抑制细菌繁殖达到抗菌目的
①  正确
②  错误
【判断题】 阿米卡星属于β-内酰胺类抗生素
①  正确
②  错误
【判断题】 欲初步判断毒扁豆碱是否变质,简便的物理方法是观察颜色是否明显变红
①  正确
②  错误
【判断题】 配制盐酸肾上腺素注射液时通常控制其pH在4左右,主要是防止其被消旋化
①  正确
②  错误
【判断题】 吗啡在光照下即能被空气氧化变质,这与吗啡具有苯酚结构有关
①  正确
②  错误
【单选题】 结构中无酚羟基的药物是
①  肾上腺素
②  异丙肾上腺素
③  去甲肾上腺素
④  麻黄碱
【单选题】 青霉素在碱或酶的催化下,生成物为
①  青霉二酸
②  6-氨基青霉烷酸(6-APA)
③  青霉烯酸
④  青霉酸
【单选题】 保泰松作用特点
①  解热镇痛作用强、抗炎抗风湿作用强、毒性小
②  解热镇痛作用强、抗炎抗风湿作用弱、毒性小
③  解热镇痛作用弱、抗炎抗风湿作用强、毒性小
④  解热镇痛作用弱、抗炎抗风湿作用强、毒性大