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【单选题】
以下说法正确的是A.
可逆反应达到平衡后,各反应物和生成物的浓度相等
B.
升高温度,不但能增大反应速率,而且能使向正反应方向移动
C.
在体系中加入催化剂,能使向正反应方向移动
D.
在平衡体系中加入催化剂,正、逆反应速率会同等程度的发生
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【单选题】计算机网络是由网络硬件和网络软件两大部分组成，下列各项不属于网络硬件的是哪一个？
A.
交换机（Switch）
B.
服务器（Server）
C.
路由器（Router)
D.
传输控制/网际互联协议（TCP/IP）
【单选题】28 The Cost Performance Index (CPI) measures
A.
total costs
B.
performance over a period of time
C.
costs at a point of time
D.
variable costs
E.
All of the above
【单选题】Unlike most Europeans, many Americans bacon and eggs for breakfast every day.
A.
used to eating
B.
are used to eating
C.
are used to eat
D.
used to eat
【单选题】I can't really assess my own performance at school， _________.
A.
not to mention him
B.
neither you like to do
C.
neither will you
D.
let alone his
【简答题】performance guarantee(performance bond、performance security)
【单选题】关于依赖心理,下列说法错误的是( )
A.
严重的依赖心理对疾病是不利的
B.
依赖可使人变得意志力坚强
C.
依赖使人变得犹豫不决
D.
照护者应尽量发挥患者的积极主动性
E.
不能姑息迁就患者的依赖心理
【单选题】A: The performance is terrific, isn't it? B: _______.
A.
I've never seen anything like this
B.
Well, maybe
C.
Probably
D.
But I didn't get it
【单选题】Unlike jetlag travelers, shift workers don’t have _______.
A.
impaired performance and ability to function
B.
reduced sleep quality and quantity
C.
adaption to time zone changes
D.
poor health problems
【单选题】Unlike performance testing, safety testing is a __________ process.
A.
voluntary
B.
official
C.
mandatory
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