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【单选题】
John is collaborating with Mary in writing an article.
A.
cooperating
B.
competing
C.
combining
D.
arguing
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】编制设备安装工程概算时，当初步设计深度不够，设备清单不详细，只有主体设备或仅有成套设备重量时，可采用( )编制概算。
A.
概算指标法
B.
扩大单价法
C.
预算单价法
D.
按设备费的百分率法
【单选题】The school dining room serves as a meeting place for teachers and students.
A.
uses
B.
utilizes
C.
functions
D.
exerts
【单选题】关于动机强度与工作效率的关系，下面说法正确的是( )。
A.
动机越强，活动效率越高
B.
动机越弱，活动效率越低
C.
中等强度的动机最有利于发挥最佳工作效率
D.
动机的最佳水平与活动的性质无关
【单选题】From its passage we learn that the educational concern for exceptional children ______.
A.
is now enjoying legal support
B.
disagrees with the tradition of the country
C.
was clearly stated by the country's founders
D.
will exert great influence over court decisions