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【单选题】
We took advantage of its sports facilities ________ staying at the hotel.A.
although
B.
while
C.
until
D.
unless
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举一反三
【简答题】What certificates has the writer obtained? He has obtained______.
【简答题】采用预铺移设法成组更换单开道岔时，道岔的组装的方法和步骤？
【单选题】成组更换道岔或岔枕应（）防护。
A.
办理封锁施工手续，设置移动停车信号
B.
办理慢行手续，设置移动减速信号
C.
办理临时封锁施工手续，设置停车手信号
D.
设置作业标
【简答题】成组更换和铺设道岔有几种办法及适合在什么条件下使用?
【简答题】According to the writer, the world has become ______ .
【单选题】According to the text, what is not the attitude of the Writer?
A.
The writer has changed the prejudiced opinion on sunscreen cream.
B.
The writer advises people to use sunscreen cream regularly.
C.
The writer persuades the people to put the sunscreen to everyday use.
D.
The writer is supporting the new findings on sunscreen cream.
【简答题】Inquiry
【单选题】225GXGZ．成组更换道岔或岔枕应（..）防护。
A.
（A）办理封锁施工手续，设置移动停车信号
B.
（B）办理慢行手续，设置移动减速信号
C.
（C）办理临时封锁施工手续，设置停车手信号
D.
（D）设置作业标
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