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【单选题】
一定量的理想气体,处在某一初始状态,现在要使它的温度经过一系列状态变化后回到初始状态的温度,可能实现的过程为( )A.
先保持压强不变而使它的体积膨胀，接着保持体积不变而增大压强
B.
先保持压强不变而使它的体积减小，接着保持体积不变而减小压强
C.
先保持体积不变而使它的压强增大，接着保持压强不变而使它体积膨胀
D.
先保持体积不变而使它的压强减小，接着保持压强不变而使它体积膨胀
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举一反三
【单选题】The dentist has decided to extract her bad tooth．
A.
take out
B.
break off
C.
push in
D.
dig up
【单选题】—Sorry, I have to now. It’s time for class. —OK. I’II call back later.
A.
break up
B.
hang up
C.
give up
D.
hold up
【单选题】I suggest we______now and meet again at three oclock in the afternoon.
A.
break off
B.
break away
C.
break down
D.
break through
【单选题】Which types of stores are characterized by specialty goods for which customers need assistance and higher operating costs that are passed along to customers as higher prices?
A.
self-service stores
B.
convenience stores
C.
full-service stores
D.
discount stores
E.
off-price stores
【单选题】— Jack, where's my small round mirror? — Sorry, Betty. I _____ it. [ ]
A.
break
B.
broke
C.
will break
D.
am breaking
【单选题】在施工项目成本预测的过程中，经常采用的定性预测方法主要有经验估计法、专家会议法、德尔菲法和( )。
A.
时间序列分析预测法
B.
主观概率法
C.
回归分析预测法
D.
移动平均法
【单选题】In the face of increased competition from discount houses and specialty stores, department stores are waging a comeback war. Two models for department stores success seems to be emerging. The first is...
A.
“tourist” area stores
B.
single brand store
C.
limited variety store
D.
specialty store
E.
showcase store
【单选题】Specialty stores, unlike department stores, handle only one line of merchandise____a limited number of closely related lines.
A.
either
B.
but
C.
or
D.
instead
【简答题】Only those who work hard will be favored in the fierce competition.
相关题目：
【单选题】The dentist has decided to extract her bad tooth．
A.
take out
B.
break off
C.
push in
D.
dig up
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知识点：
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