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【简答题】
编写程序,找出 1000 以内的所有。一个数如果恰好等于它的因子之和,这个数就称为“”。例如, 6 的因子为 1 、 2 、 3 ,而 6=1+2+3 ,因此 6 是。
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举一反三
【单选题】We met the old man ______ times on the way home.
A.
dozen of
B.
dozen
C.
dozens
D.
dozens of
【单选题】With the old man ______ the way, we had no trouble in finding the village.
A.
show
B.
to show
C.
showing
D.
shown
【单选题】From the passage we know______.
A.
the old man once smoked more than one cigar a day
B.
the old man once smoked one cigar a day
C.
the old man didn't smoke before he went to see the doctor
【简答题】某污水厂升级改造工程，由活性炭滤池、臭氧深度处理池和泵房等构筑物组成，承包单位以6500万元中标。施工基坑围护结构为灌注桩，基底标高为-6.50m（地面标高为±0.00），基底以粉砂土层、砂卵石层为主，渗透系数较大（20～200m/d），且北邻排水干渠，地下水位标高为-3.00m；干渠最高水位为-1.00m。
项目部组建后，依据实施性施工方案和公司下达的成本目标，测算工程人工费、材料费、施工机械...
【单选题】听力原文：W：Have you decided when you ale going to get engaged? M：I wish it could be in May．But it's all up to April to decide．I guess we have to wait until she graduates in July． Q：When will the man be en...
A.
In April.
B.
In May.
C.
In July.
D.
Not decided yet.
【单选题】--Simon , I hear you are going abroad for further study. Have you decided ___ ? --Next September .
A.
when leaving
B.
when to leave
C.
where to go
D.
how to get there
【单选题】A problem suddenly came to my mind _____ we could find a good way of saving the old man _____ we would not hurt him. [ ]
A.
where; who
B.
whether; that
C.
that; that
D.
when; how
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