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【单选题】
正丁烷分子在围绕 C 2 -C 3 键旋转时,有四种典型的构象异构体,其中最稳定的是
A.
部分重叠式
B.
邻位交叉式
C.
对位交叉式
D.
全重叠式
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参考答案:
举一反三
【单选题】参与呼吸链递电子的金属离子是
A.
铁离子
B.
镁离子
C.
钼离子
D.
钴离子
E.
锰离子
【单选题】M-time culture has the following features except__________.
A.
cutting time into bits
B.
scheduling one thing at a time
C.
taking deadlines seriously
D.
more human-centered
【多选题】What are the different features of M-time and P-time patterns?
A.
Time is perceived as a linear structure in the culture of M-time pattern.
B.
P-Time is less rigid and clock-bound.
C.
M-time pattern is more flexible.
D.
M-time pattern is more human-centered.
【判断题】Marketing involves finding out what your customers want and supplying it to them at a profit. Marketing is how you define your product, promote your product, distribute your product, and maintain a re...
A.
正确
B.
错误
【判断题】The primary purpose of a product introduction is to promote the product to the customers who are interested in your product, or have bought and used your product, or trust your company and brand.
A.
正确
B.
错误
【多选题】依据刑事诉讼法的相关规定,下列情况应当被视为撤诉的是( )
A.
自诉人某甲在经过法庭两次传唤以后,没有正当理由拒不到庭
B.
自诉人在法庭上不满意自己律师的表现,不经法庭许可中途退庭
C.
人民检察院在庭审过程中,在补充侦查期限内没有提请人民法院恢复法庭审理的,人民法院应当按照检察院撤诉处理
D.
自诉人在自诉案件当中可以在判决宣告前撤回起诉,但是必须是出于自愿
【单选题】M-Time features scheduling ______ at a time.
A.
one thing
B.
two things
C.
several things
D.
multiple things
【单选题】在计算机控制中,控制规律通过( )来实现。
A.
反馈信息
B.
执行部件
C.
程序
D.
D/A
【判断题】在工业生产过程或生产设备运行中,为了维持正常的工作条件,往往需要对某些物理量(如温度、压力、流量、液位、电压、位移、转速等)进行控制,使其尽量维持在某个数值 附近或使其按一定规律变化。 要满足这种需要,就得对生产机械或设备进行及时的操作和控制,以抵消外界的扰动和影响。这种操作和控制,只能通过自动装置的操作来实现。
A.
正确
B.
错误
【单选题】M-time culture has the following features except__________.
A.
cutting time into bits
B.
taking deadlines seriously
C.
scheduling one thing at a time
D.
more human-centered
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