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【单选题】
用沉淀法测定银的含量,最合适的方法是A.
莫尔法直接滴定
B.
莫尔法间接滴定
C.
佛尔哈德法直接滴定
D.
佛尔哈德法间接滴定
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【单选题】He was lucky enough to be sent abroad to study for a business ________.
A.
requirement
B.
qualification
C.
permission
D.
demand
【简答题】资料】天宇股份有限公司系增值税一般纳税人,该公司适用的所得税率为25%,增值税率为13%。库存材料采用计划成本核算,材料成本差异率为1%,该公司2019年年初未分配利润为670万元。该公司2019年度内发生如下有关经济业务: (1)采用托收承付方式销售产品一批,销售价款为200万元。该产品销售成本为120万元。本年应收的款项尚未收到。 (2)取得罚款收入6万元,存入银行。 (3)结转固定资产...
【单选题】He doesn't do his homework _____ , though he has _____ . [ ]
A.
carefully enough , enough time
B.
enough carelessly, time enough
C.
carelessly enough, enough time
D.
enough carefully,enough time
【单选题】He was lucky enough to sell his car for exactly ______.
A.
where he had paid for it
B.
what he had paid for it
C.
what he was paid for it
D.
which he had paid for it
【单选题】He doesn’t do his homework ________, though he has ________.
A.
carefully enough; enough time
B.
enough careful; time enough
C.
careful enough; enough time
D.
enough carefully; time enough
【单选题】He didn’t think the shirt ________,so he didn’t buy it.
A.
enough cheap
B.
enough expensive
C.
cheap enough
D.
expensive enough
【单选题】He’s lucky enough to have many people ___ him with the work.
A.
help
B.
to help
C.
helped
D.
helping
【单选题】Thanks to his open-minded parents and schoolmaster, he was lucky enough to grow up the positive impact of sports.
A.
exposed to
B.
to expose to
C.
being expose to
D.
having exposed to
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