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【单选题】
采暖系统主要由( )三个主要部分构成。A.
热源、热媒、输热管道
B.
热媒、输热管道、散热设备
C.
热源、输热管道、散热设备
D.
热水、暖气片、散热设备
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举一反三
【单选题】Years of attendance upon schools and colleges that are thought to be _________ have produced no impression.
A.
respected
B.
respective
C.
respectable
D.
respectful
【单选题】In our country, attendance at school is ___________ for children over six years of age.
A.
finite
B.
compulsory
C.
literal
D.
stubborn
【简答题】In our country, attendance at school is (__) for children over six years of age.
【简答题】A new report says the number of international students coming to American colleges and universities fell last year, for the 1.________ straight year. The report, from the Institute of International Ed...
【简答题】Education (I) At one time in the history of education, one had to be wealthy to attend school. (II) At other times, women were kept from attending school, despite their standing in finances. (III) Fin...
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