肾上腺素抢救过敏牲休克的作用机制有( )
A. 增加心排出量
B. 升高外周阻力和血压
C. 松弛支气管平滑肌
D. 抑制组胺等过敏物质释放
E. 减轻支气管黏膜水肿
肾上腺素禁用于( )
A. 高血压
B. 器质性心脏病
C. 心搏骤停
D. 糖尿病
E. 过敏牲休克
Complete the following sentences with the expressions given below. Change the form if necessary.work sb.'s fingers to the bonefight to doview sth. as sthplay a role in (doing) sth.be at a disadvantageallow sb. to do sth.1. Nowadays, anyone who can't use a computer ___________.2.She is a pessimist who always _________ every minor setback___________ a disaster.3.Mr. White is __________to make enough money to buy a new car.4.The company will _______ remove barriers for women's promotion.5.My father _______ me_______play online games for a while after I finished my homework.6.The manager _______ the good running of a company.
Add the suffix "-ity" to the words given below. Then Complete the following sentences with the words thus formed. Change the form if necessary.simple / probable / able / active / visible / pure1 He said he would support the reform too let _______ decide who would get government jobs.2 The fog is heavy and _______ is down to 20 meters.3 The college offers many recreational ________ for the students.4 There is a deep longing in all hearts for ________ and yet we go on complicating our lives.5 I really enjoy the _______ and beauty of his music.6 The _________ of crime is higher with some situations than with others.