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【多选题】
皮肤为什么需要清洁?
A.
清除堆积的脱落死亡的细胞
B.
清除各种物理性粉尘、化学刺激物、致敏物和微生物
C.
清除汗液
D.
清除皮脂
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参考答案:
举一反三
【单选题】Da Vinci was the first robotic system to be applied and approved by the Food and Drug Administration.
A.
Y
B.
N
C.
NG
【单选题】Federal efforts to aid minority businesses began in the 1960’s when the Small Business Administration (SBA) began making federally guaranteed loans and govern- ment-sponsored management and technical ...
A.
The use of MESBIC’s for aiding minority entrepreneurs seems to have greater potential for success than does the original SBA approach.
B.
There is a crucial difference in point of view between the staff and directors of some MESBIC’s.
C.
After initial problems with management and marketing, minority businesses have begun to expand at a steady rate.
D.
Minority entrepreneurs wishing to form. new businesses now have several equally successful federal programs on which to rely.
E.
For the first time since 1960, large corporations are making significant contributions to the development of minority businesses.
【多选题】网络协议的三要素为:
A.
语义
B.
语法
C.
时序
D.
地址
【单选题】网络协议的三要素为()
A.
数据格式、编码、信号电平
B.
数据格式、控制信息、速度匹配
C.
语法、语义、时序
D.
编码、控制信息、同步
【单选题】Seeking to build support among black families for its education reform. law, the Bush administration paid a prominent black pundit $240,000 to promote the law on his nationally syndicated television s...
A.
column writer
B.
business owner
C.
TV commentator
D.
government official
【单选题】网络协议的三要素为( )。
A.
语法,语义,异步
B.
语法,语义,同步
C.
语法,编码,同步
D.
语法,语义,编码
【简答题】Why are students in this period of life lack frankness and very sensitive but hate to admit it?
【单选题】网络协议的三要素为( )
A.
数据格式、编码、信号电平
B.
数据格式、控制信息、速度匹配
C.
编码、控制信息、同步
D.
语法、语义、时序同步
【单选题】网络协议的三要素为?
A.
数据格式、编码、信号电平
B.
数据格式、控制信息、速度匹配
C.
语法、语义、同步
D.
编码、控制、同步
【单选题】听力原文: A senior Pentagon official is disputing published suggestions that the Bush Administration may be poised to resume underground nuclear testing beneath the Nevada desert. Deputy Defense Secretary...
A.
The testing will be resumed if necessary.
B.
The testing must be resumed soon.
C.
The testing will never be resumed.
D.
He cannot rule out the possibility of that testing.
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