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【简答题】
答题请填入完整单词 There is a difference between "being a writer" and writing . As a matter of fact, many who wish to be writers are longing f 1 wealth and fame, not the long hours alone at the type-writer. They are not a 2 of the fact that writing is a lonely, private ad poor-paying a 3 . I remember when I became a freelance writer, I had no p 4 at all. What I did have was a friend and a small s 5 room in an apartment building. It didn't even m 6 that it was cold and had no bathroom. Immediately bought a used manual typewriter and p 7 myself into writing. After a year or so, however, I still hadn't received a b 8 and began to doubt myself. Then one day I was o 9 a job earning $6,000 a year. As the dollars were d 10 in my head, something c 11 my senses. From deep inside a bull-headed resolution w 12 up. I heard myself saying, "I'm going to s 13 it out and write.”I realized that you had to make s 14 and live creatively to keep working at your dreams. Then, in 1970, 17 years after I left the Coast Guard, Roots was p 15 . The shadows had turned into dazzling limelight.
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【单选题】低钾血症对心肌电生理特性的影响是:
A.
兴奋性升高、传导性升高、自律性升高、收缩性升高
B.
兴奋性升高、传导性降低、自律性升高、收缩性升高
C.
兴奋性降低、传导性降低、自律性降低、收缩性降低
D.
兴奋性降低、传导性升高、自律性降低、收缩性升高
E.
兴奋性升高、传导性降低、自律性升高、收缩性降低
【单选题】与非门构成的基本 RS 触发器,当 S D ′=0 , R D ′=1 时,功能是
A.
保持
B.
置1
C.
置0
D.
不定
【简答题】PLC 中使用的存储器类型有( )和( )两种。
【单选题】急性轻度低钾血症对心肌电生理特性的影响是
A.
心肌兴奋性增高、传导性增高、自律性增高、收缩性增强
B.
心肌兴奋性增高、传导性降低、自律性增高、收缩性增强
C.
心肌兴奋性降低、传导性降低、自律性降低、收缩性减弱
D.
心肌兴奋性增高、传导性增高、自律性降低、收缩性减弱
E.
心肌兴奋性降低、传导性降低、自律性增高、收缩性增强
【简答题】matinée langues écouter se décider à violent Il y a eu un vent _________ dans la nuit, les feuilles des arbres sont tombées.
【单选题】对于与非门构成的基本 RS 触发器,当触发器状态置1时,( )。
A.
S=0; R=0
B.
S=0; R=1
C.
S=1; R=0
D.
S=1; R=1
【判断题】局部作用是指药物被吸收入血之前,在用药局部所产生的作用
A.
正确
B.
错误
【判断题】与非门构成的基本RS触发器,当S=1,R=0时,其输出端状态是1。
A.
正确
B.
错误
【判断题】由两个TTL与非门构成的基本RS触发器,当R=1,S=0时,触发器的状态为置1。
A.
正确
B.
错误
【简答题】matinée langues écouter se décider à violent Cet élève a passé toute la journée à __________ de la musique.
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