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【单选题】
______ the local authorities put more attention to the safety of the children, more than 20 lives __________ in Gansu Province.A.
Should, would not be claimed
B.
Had, would not have been claimed
C.
Should, would not be cost
D.
Had, would not have been cost
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【简答题】根据下面的程序,写明操作结果【注意ex2-1.sh文件是存在的】() if [ -e $ex2-1.sh ];then exit 1; else exit 0; fi
【简答题】根据下面的程序,写明操作结果【注意ex2-1.sh文件是不存在的】() if [ -e $ex2-1.sh ];then exit 1; else exit 0; fi
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