法律行为如被法院或仲裁机构撤销，则撤销的效力具有溯及力，行为

【名词&注释】

工人阶级(working class)、个人利益(individual interests)、劳动人民(working people)、小资产阶级(petty bourgeoisie)、电脑系统(brain system)、共产主义道德(communist morality)、集体主义思想、情景记忆(episodic memory)、工农联盟、程序性记忆

[判断题]法律行为如被法院或仲裁机构撤销，则撤销的效力具有溯及力，行为自被撤销时即不具有法律效力。（ ）

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学习资料：

[单选题]第 20 题 共产主义道德的核心是（　　）

A. 抛弃一切个人利益
B. 人人为我，我为人人
C. 集体主义思想
D. 主观为自己，客观为他人

[单选题]对人名、地名、定理等的记忆属于

A. 内隐记忆
B. 情景记忆^{(episodic memory)}
C. 程序性记忆
D. 陈述性记忆

[单选题]Passage TwoOne day I was at the airport waiting for a ticket to New York and the girl in the ticket office said, "I'm sorry, I can't sell you a ticket. Our computer is down."

A. "If your computer is down, just write me out a ticket."
B. "I can't write you out a ticket. The computer is the only one allowed to do so."
C. I looked down on the computer and every passenger was just standing there staring at the black screen. Then I asked her, "What do all you people do?'
D. "We give the computer the information about your trip, and then it tells us whether you can fly with us or not."
E. "So when it goes down, you go down with it."
F. "That's good, sir. '
G. "How long will the computer be down?" I wanted to know.
H. "I have no idea. There's no way we can find out without asking the computer."
I. After the girl told me they had no backup (备用) computer, I said. "Let's forget the computer. What about your planes? They're still flying, aren't they?"
J. "I wouldn't know," she said, pointing at the dark screen. "Only 'IT'knows. 'It'can't tell me.
K. By this time there were quite a few people standing in lines. The word soon spread to other travelers that the computer was down. Some people started to cry and still others kicked their luggage.
L. 36. The best title for the article is______.
M. When the Computer Is Down
N. How to buy a ticket
O. The Computer of the Airport
P. Asking the Computer

[单选题]输血适应证，下列选项正确的是 （ ）

A. 失血500mL
B. 轻度感染
C. 肝炎
D. 十二指肠溃疡穿孔
E. 失血量超过1000mL

[单选题]在革命统一战线的两个联盟中，基本的主要的联盟是( )

A. 工农联盟
B. 工人阶级同资产阶级的联盟
C. 劳动者同非劳动者的联盟
D. 被剥削者同剥削者的联盟

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