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【多选题】
作业10：新建一个用户的命令是？A.
useradd
B.
userdel
C.
usermod
D.
adduser
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举一反三
【单选题】His political rivals_________ for an attack on his policies.
A.
are biding their time
B.
are birding their time
C.
is biding his time
D.
is birding his time
【单选题】关于简并轨道说法错误的是( )
A.
l =1, m=0,+1, -1, 有2种空间取向。
B.
P x ，P y ，P z 为 3条简并轨道，也就是说 p 轨道是3 重简并的。
C.
m的不同取值，意味着原子轨道的空间取向不同，但一般不影响能量。
D.
把同一亚层（即l相同），伸展方向不同的原子轨道称为等价轨道或简并轨道 。
【单选题】重度营养不良患儿调整饮食时,开始供给热量为
A.
30~45kcal/kg
B.
45~55kcal/kg
C.
50~70kcal/kg
D.
60~80kcal/kg
E.
100~140kcal/kg
【单选题】在1964年底到1965年初召开的全国人大三届一次会议上,周恩来同志在政府工作报告中,第一次郑重地向全国人民提出(B)。
A.
1966年将开始执行第三个五年计划
B.
四个现代化的任务
C.
三线建设的计划
【单选题】______ of recent political developments, he was taken by surprise upon his arrival in the capital.
A.
Unexpected
B.
Unacquainted
C.
Unaware
D.
Unknowing
【单选题】The political candidate promptly reorganized his staff ______ his landslide defeat in the primaries.
A.
follows
B.
followed
C.
following
D.
to follow
【单选题】The party leader justified his subsequent reelection ______ that he had brought political stability and economic development to his country.
A.
in the way
B.
by no means
C.
on the grounds
D.
to the extent
【多选题】下列关于量子数的说法中,错误的是
A.
电子自旋量子数是 ，在某个轨道中有两个电子，所以，总自旋量子数是1或者是0
B.
磁量子数m=0的轨道都是球形轨道
C.
当角量子数是5时，可能有的简并轨道数是10
D.
当主量子数n=5时，就开始出现g分层
【简答题】According to the author ,a politician's morality [A] is no match for his political ambition. [B] has been undervalued by Machiavelli and his likes. [C] is usually of secondary importance. [D] should b...
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