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After Reading >> Compound Dictation You will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks numbered from 1 to 7 with the exact words you have just heard. For the blanks numbered from 8 to 10 you are required to fill in the missing information. You can either use the exact words you have just heard or write down the main points in your own words. Finally, when the passage is read for the third time, you should check what you have written. Working at Home Most American workers travel each day to jobs in factories, offices, (1) ______________ , shops and schools. But for a (2)___________ number of people in the United States, the work place is changing. More Americans are (3)___________ to work at home. There are several reasons for this (4) _______ . One reason is many parents want more time to be with their children at home. Another is that people want the (5)__________ to decide for themselves how and when to do their job. The most important reason, however, is the (6)____________in computer technology. With computers, there is (7)_______ need for people to come together to work. (8)______________________________________________. A worker can write a report or add information to company records on a computer at home and then send the finished work to a computer in another city. (9) ________________________________________ . Many highly skilled workers, for example, ask their computers to work at least part of their time at home. They say (10)_____________________________________________________________________________________.
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【简答题】在火电厂中,用来去除烟气中飞灰的装置,称为( )装置。
【单选题】呼吸运动的描述错误的是
A.
呼吸运动包括胸式呼吸和腹式呼吸
B.
正常男性和儿童的呼吸以膈肌运动为主,而形成腹式呼吸
C.
女性的呼吸则以肋间肌的运动为主,故形成胸式呼吸。
D.
呼吸困难包括吸气性、呼气性和混合性呼吸困难
E.
正常成人呼吸频率为12-20次/分,大于20 次/分为呼吸过速
【简答题】(1)甲醇是一种可再生能源,工业上一般采用下列两种反应合成甲醇: 上述反应符合“原子经济”原则的是_______________(填“Ⅰ”、“Ⅱ”或“III”)。 (2)依据甲醇燃烧的反应原理,设计如图所示的电池装置。 ①该电池正极的电极反应为____________。 ②工作一段时间后,测验得溶液的pH减小,该电池总反应的化学方式式为________________________。 (3)甲烷...
【判断题】合成纤维受热产生软化、熔融,而天然纤维素纤维、蛋白质纤维和人造纤维素纤维则产生分解或碳化。
A.
正确
B.
错误
【简答题】(1)甲醇是一种可再生能源,工业上一般采用下列两种反应合成甲醇: 反应Ⅰ:CO(g)+2H 2 (g) CH 3 OH(g) 反应Ⅱ:CO 2 (g)+3H 2 (g) CH 3 OH(g)+H 2 O(g) 反应Ⅲ:甲醇燃烧2CH 3 OH(g)+3O 2 (g)═2CO 2 (g)+4H 2 O(g) 上述反应符合“原子经济”原则的是______(填“Ⅰ”或“Ⅱ”). (2)依据甲醇燃烧的反应...
【简答题】翻浆的防治措施有哪些?
【多选题】下列关于呼吸运动说法不正确的是
A.
胸式呼吸主要见于成年男性及儿童
B.
三凹征的临床表现有吸气性呼吸困难
C.
正常人的呼吸频率为20-30次/分
D.
呼吸过速可见于心衰、疼痛、发热等,呼吸过缓可见于颅高压、吗啡或巴比妥过量等
E.
糖尿病酮中毒和尿毒症酸中时,会出现呼吸深快,又叫库斯莫尔(Kussmaul)呼吸
【多选题】关于急诊观察室的叙述,合理的是( )
A.
急诊科应根据病人数量及特点设置观察床
B.
病人在观察室留观时间最好不要超过 48 小时
C.
观察床位数以医院床位数的 5% 为宜
D.
观察室主要收住需要留观的病人
E.
观察室的基本设置应与普通病房相同
【判断题】两个非线性系统级联构成的系统是非线性的A. 对 B. 错
A.
正确
B.
错误
【多选题】以下哪项属于正常呼吸
A.
女性以胸式呼吸为主
B.
呼吸与脉搏比例1:4
C.
男性以腹式呼吸为主
D.
儿童以胸式呼吸为主
E.
正常成人呼吸频率16~18次/分
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