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【单选题】
船舶由于抢险、救生等紧急事由，不能按照规定程序办理船舶签证的，应当在开航前向海事管理机构报告，并在任务完成后（）小时内补办船舶签证。A.
12
B.
24
C.
48
D.
72
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举一反三
【简答题】[（1.8-0.6）÷□+2.5]×0.4=3.4□中填______．
【单选题】[音频] Why do young people like the Internet?
A.
It completely replaces traditional education.
B.
It meets young people’s needs.
C.
It allows young people more freedom.
【简答题】写出乘法算式． （1）2.5+2.5+2.5+2.5=______×______ （2）0.3+0.3+0.3+0.3+0.3+0.6=______×______．
【简答题】直接写出得数． 0.77+0.33= 24×2.5= 9.9×36= 6- 5 12 - 7 12 = 503-1.8= 7 8 ×5.6= ______： 3 5 = 3 5 13÷6.5= 0.6×0.6÷0.6×0.6=
【简答题】计算 ×0.6÷ ×|-2.5|=
【简答题】直接写得数：0.4- 1 3 =______ 7.15×2.5×18+1.5×28×7.15=______ 13 13 14 ÷13=______ （ 3 35 - 2 36 ）×35×36=______ 3+6+9+12+…+96+99=______ （ 1 2 + 1 3 + 1 4 + 1 5 + 1 6 ）+（ 2 3 + 2 4 + 2 5 + 2 6 ）+（ 3 4 + 3 5 + 3...
【单选题】Why do American young people usually leave their families at eighteen or nineteen?
A.
Their working place is too far away from their families.
B.
Their families can not support them.
C.
Living independently is considered an important American value.
D.
American young people are forced to live independently.
【简答题】直接写出得数。 3.6÷0.6= = = 10×10%= 2.5× = =
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