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【单选题】
安装新的活塞环时应______,以保证活塞环正常工作。I.采用专用工具;II.修锉搭口;III.新环装在第一、二道环槽;IV.错开各环开口位置;V.确定下端面。A.
Ⅰ＋Ⅱ＋Ⅳ
B.
Ⅰ＋Ⅳ＋Ⅴ
C.
Ⅱ＋Ⅲ＋Ⅴ
D.
Ⅰ＋Ⅲ＋Ⅳ
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举一反三
【简答题】Please write out the structure of text in mind-gaping(be sure all paragraphs are included in, main ideas of each paragraph are better. )
【简答题】ZigBee技术有哪些特点?
【单选题】In the pictures, who is the basketball player in yellow, and which team does him play for?
A.
Yao Ming, Rockets.
B.
Kobe, Lakers.
C.
Yao Ming, Lakers.
D.
Kobe, Rockets.
【单选题】已知1%( g/ml)枸橼酸钠溶液的冰点降低值为0. 185℃，计算其等渗溶液的百分浓度是
A.
2.4(%g/ml)
B.
2.6(%g/ml)
C.
2.8(%g/ml)
D.
3.0(%g/ml)
E.
3.2(%g/ml)
【单选题】已知1%(g/ml)枸橼酸钠溶液的冰点降低值为0.185°C,计算其等渗溶液的浓度是
A.
2.4(％g／ml)
B.
2.6(％g／ml)
C.
2.8(％g／ml)
D.
3.0(％g／ml)
E.
3.2(％g／ml)
【单选题】What do we call the person who draws the pictures in the book?
A.
illustrator
B.
author
C.
character
D.
none of the above
【简答题】Who are the celebrities in the pictures?
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