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【判断题】
限速器不是安全部件,不需要进行验证。A.
正确
B.
错误
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举一反三
【简答题】互联网是21世纪人类伟大的基础性科技发明。()
【简答题】短文填词 Do you like friends who can teach you a lot every day?Books are s ________friends that they bring knowledge to us and keep us company through our life.They are so valuable that________(图书馆) are b...
【简答题】五、短文填词 Do you like friends who can teach you a lot every day? Books are s friends because they bring knowledge to us and keep us ____(陪伴) through our life. They are so valuable that libraries are b...
【单选题】Linda's friends were all concerned ______ books and music.
A.
with
B.
of
C.
for
D.
at
【单选题】(48143)路肩宽度:线路允许速度不大于160km/h的路堤地段不得小于0.8m,路堑地段不得小于()。
A.
0.4m
B.
0.6m
C.
0.8m
D.
1.0m
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