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【单选题】
( )是连环替代法的简化计算方法，计算原理与连环替代法完全一致。A.
差额分析法
B.
比率因素分解法
C.
综合指数法
D.
因素分析法
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【单选题】Wood furniture does not depreciate in value __________ properly handled and protected.
A.
if
B.
has
C.
that
D.
and
【判断题】Handled properly, the process of coping with depression can improve personal relationship.
A.
正确
B.
错误
【简答题】What should you do to make sure your invoice is properly handled? We should send ______ to confirm it.
【单选题】把乙醇和浓硫酸混合的正确操作是
A.
浓硫酸直接倒在乙醇里
B.
乙醇直接倒在浓硫酸里
C.
在冷却下，将浓硫酸分批分次倒在乙醇里
D.
在冷却下，将乙醇分批分次倒在浓硫酸里
【简答题】.Children’s brains can’tdevelop properly_______ they lack protein( 蛋白质 ). A.when B. since C. because D. unless
【单选题】A history of long effortless success can be a dreadful handicap, but, if properly handled, it may become a driving force. When the Untied States entered just such a glowing period after the end of the...
A.
it had made painstaking effort towards this goal
B.
its domestic market was eight times larger than before
C.
the war had destroyed the economies of most potential competitors
D.
the unparalleled size of its workforce had given an impetus to its economy
【单选题】Wood furniture does not depreciate in value ______.
A.
if they are handled properly and protected properly
B.
unless handling and protecting properly
C.
if properly handled and protected
D.
unless for all its handling and protection
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