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【判断题】
混凝土对粗骨料的基本要求是颗粒的总表面积要小和颗粒大小搭配要合理，以达到水泥的节约和逐级填充形成最大的密实度。这两项要求分别用最大粒径和颗粒级配表示。()A.
正确
B.
错误
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举一反三
【判断题】On of t he masterpieces of Universal Pictures include s Uncle Tom’s Cabin in 197 2 . C ompared with its novel , its movie , in Dr. Pan ’ s mind is able to tug the heartstrings even more since “A pictu...
A.
正确
B.
错误
【单选题】He is so concentrated reading the novel that he doesn ’ t hear the bell.
A.
in
B.
at
C.
to
D.
on
【简答题】In his classic novel, The Pioneer, James Fenimore Cooper has his hero, a land developer, take his cousin on a tour of the city he is building. He describes the broad streets, rows of houses, a teeming...
【简答题】Choose the right word and put it in the blank in its proper form. 1 accept, receive 1. He sent me an invitation, but I was up to my eyes in work, so I couldn't _______ it. 2. We did________ his invita...
【简答题】Co mplete the following sentences with some of the words or expressions given below. A. donation B. in exchange for C. highlight D. strategy E. approach F. participate in G. bonu...
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