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【单选题】
SOLAS regulations require that the inert gas system shall be capable of delivering inert gas with an oxygen content of not more than what percentage?A.
5%
B.
8%
C.
6%
D.
3%
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举一反三
【单选题】---How did you do in the test yesterday? -----Not so well. I ______ much better but I misread the directions for writing。
A.
will have done
B.
could have done
C.
must have done
D.
may have done
【简答题】脑瘫儿童教育所追求的目标是尽可能让他们在普通学校普通班就读,在护理和治疗方面需要 合作。
【单选题】After much _____ the shop owner agreed to cut down the price by 20% . [ ]
A.
debating
B.
talking
C.
discussing
D.
bargaining
【单选题】人工土方定额挖土方除淤泥、流砂为湿土外,均以干土为准,如挖运湿土,应( )。
A.
定额乘系数1.6
B.
定额乘系数1.8
C.
湿土排水另列项目计算
D.
湿土排水(包括淤泥、流砂)应另列项目计算
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