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【单选题】
下列对OSI各层功能的描述,错误的是()A.
物理层仅负责物理信号的传递
B.
链路层负责链路端到端的通信，MAC地址寻址就是链路层的功能
C.
网络层负责寻址和路
D.
传输层负责会话管理
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举一反三
【单选题】I'd say whenever you (are going) after something that (is belonging) to you, anyone who (is depriving) you of the right to have it is (criminal).
A.
are going
B.
is belonging
C.
is depriving
D.
criminal
【简答题】有甲乙两个患者,甲患者左心室舒张末期容积为160ml,收缩末期容积为ml;乙患者左心室舒张末期容积为140ml,收缩末期容积为56ml,两患者的射血分数:
【单选题】有甲乙两个患者,甲左心室舒张末期容积为140ml,收缩末期容积为56 ml;乙患者左室舒张末期容积为160ml,收缩末期容积为64 ml,两患者的射血分数:
A.
甲高于乙
B.
乙高于甲
C.
相同
D.
均高于正常
E.
均低于正常
【简答题】There was once a professor of medicine, who was very strict with the students. Whenever he took the chair on the exam committee(担任考试委员会), the students would be in fear, because he was seldom pleased...
【单选题】有甲乙两个患者,甲患者左心室舒张末期容积为160ml,收缩末期容积为64ml;乙患者左心室舒张末期容积为140ml,收缩末期容积为56ml,两患者的射血分数:
A.
甲患者高于乙患者
B.
相等
【单选题】The star performer of comic dialogue is full of humor, who is able to ______an occasion whenever _____ go wrong with his humorous performances [ ]
A.
light up; things
B.
brighten up; things
C.
amuse; the things
D.
entertain; things
【简答题】用IUPAC及普通命名法(如果可能的话)命名或写出结构式: a. (CH 3 ) 2 CHCHO b. c. d. (CH3)2CHCOCH3 e.(CH3)2CHCOCH(CH3)2 f. g. (CH3)2C=CHCHO h. CH2=CHCHO i. CH3COCH2CH2COCH2CH3 j. CH3CH2...
【简答题】用下词语填空: whenever whoever whatever However If we work with a strong will, we overcome any difficulty, ____ great it is. However
【简答题】There was once a professor of medicine, who was very strict with the students. Whenever he took the chair on the exam committee, the students would be in fear, because he was seldom pleased with the a...
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