【单选题】【消耗次数:1】
Operations which left patients ____ and in need of long periods of recovery time now leave them feeling relaxed and comfortable.
exhausted
unhealthy
upset
fearful
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相关题目
【单选题】 Operations which left patients _____and in need of long periods of discovery time now leave them feeling relaxed and comfortable.
①  exhausted
②  unhealthy
③  upset
④  fearful
【单选题】 The patients need ( ) attention.
①  continue
②  contiously
③  constant
④  constantly
【单选题】 Let’s get through the work quickly.----seems to be little time left now.
①  It
②  There
③  That
④  We
【单选题】 The patients believe that the doctor knows exactly how to put them ___.
①  right
②  correct
③  perfect
④  well
【单选题】 Earthquakes ( ) in the region about once a week, without the people feeling them.
①  struck
②  attacked
③  broke
④  occurred
【单选题】 You need money and time. _____________, you need to work hard.
①  In addition
②  such as
③  In a word
④  For instance
【单选题】 It’s getting late and I have to leave now.____________
①  So soon! I hope youve enjoyed it.
②  Have a cup of tea.
③  Not at all.
④  How about a cup of coffee?
【单选题】 The dispute is ____ to be settled for a long time to come.
①  uncertain
②  susceptible
③  impossible
④  unlikely
【单选题】 As for words which do not often occur in everyday situation, you just need to be able to ____.
①  recognize them
②  nod at them
③  concentrate much on them
④  practice using them constantly
【判断题】 答题说明:句子没有语法错误请选择“正确”,有语法错误请选择“错误”If you have been in the department store such long that you feel hungry, you will not need to leave the building.
①  正确
②  错误
随机题目
【判断题】 合成器生产甲醇的反应,属于可逆吸热反应。
①  正确
②  错误
【判断题】 实验证明氧化铜-氧化锌催化剂的活性比任何单独一种氧化物都低。
①  正确
②  错误
【判断题】 甲醇最初是由木材和木质素中干馏制得,故俗称木醇或木精。
①  正确
②  错误
【判断题】 甲醇脱水生产二甲醚的反应中,因副反应非常少,所以转化率的大小是直接影响二甲醚收率的关键指标。
①  正确
②  错误
【判断题】 生产甲醇的过程中,空速过高会增加分离设备和换热负荷,但会使甲醇分离效果提高。
①  正确
②  错误
【判断题】 甲醇低压合成法,一般控制氢气与一氧化碳的摩尔比为(2.2 -3.0):1
①  正确
②  错误
【单选题】 ( )是目前工业上生产乙烯的主要方法。
①  石油烃裂解
②  甲醇制乙烯
③  合成气制乙烯
④  乙醇脱水制乙烯
【单选题】 控制短的停留时间。可以 二次反应的发生, 乙烯收率。( )
①  提高 提高
②  提高 降低
③  降低 降低
④  降低 提高
【单选题】 石油烃热裂解,是将石油系烃类经高温作用,使烃类分子发生( )反应,以制取低级烯烃的过程。
①  断链、脱氢
②  催化、裂化
③  断链
④  脱氢
【单选题】 裂解原料为乙烷时,合适的直接急冷方式为( )。
①  水急冷
②  油急冷
③  先油冷后水冷
④  先水冷后油冷