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【单选题】
为了行车安全平稳，列车过岔速度一定的限制。普通型7号道岔侧向通过最高速度为（）。A.
25km/h
B.
30km/h
C.
35km/h
D.
50km/h
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举一反三
【单选题】where and when does Paul appear on the screen?
A.
He is on the same program every night.
B.
He appears on different occasions and at different times.
C.
He is on a local news broadcast, once a year.
【单选题】Where and when to have the party _____ not been decided yet, but what he says and what he does _____ not agree.
A.
has, does
B.
have, do
C.
has, do
D.
have, does
【简答题】Where does the first speaker place his stickers? And when does he think of his songs?
【简答题】Where and when does it usually take place?
【简答题】唱熟提供的儿童歌曲《洋娃娃和小雄跳舞》,且边唱边表演。 目前作业只检查唱歌曲,等正常上课再检查表演唱。 所以目前只检查有音频作业。
【单选题】下列有关软件的说法中,正确的是
A.
Windows 是广泛使用的应用软件之一
B.
计算机软件系统包括操作系统和应用软件
C.
软件是计算机运行所需的各种程序的总称
D.
软件也有版权，对版权保护的软件不可随意复制使用
【单选题】Where and when does Pal appear on the screen?
A.
He's on the same program every ngiht.
B.
He appears on different occasions and at the different times.
C.
He's on a local news boradcast, once a year.
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