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【单选题】
(2010. 北京理综,1)在家庭中用鲜葡萄制作果酒时,正确的操作是A.
让发酵装置接受光照
B.
给发酵装置适时排气
C.
向发酵装置通入空气
D.
将发酵装置放在45°C处
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反馈参考答案：
举一反三
【简答题】在计算机的数制中, 是指一个数制中表示基本数值大小的不同数字符号。
【单选题】As the majority of TCM prescriptions contain four to ten constituent herbs, those with less or more numbers of herbs were considered ( ) in this work.
A.
active
B.
ineligible
C.
oral
D.
major
【单选题】下列说法中正确的是
A.
配位原子的孤电子对越多,其配位能力就越强
B.
电负性大的元素充当配位原子,其配位能力也强
C.
CH3-C-OH配体是双齿配体
D.
在[Cu(en)2]2+中,Cu2+的配位数是4
【单选题】Before herbs were available in supermarkets year-round, herb vinegar was made in the fall.
A.
obtainable
B.
affordable
C.
reasonable
D.
disposable
【单选题】Before herbs were available in supermarkets year-round, herb vinegar was made in the fall.
A.
affordable
B.
reasonable
C.
obtainable
D.
disposable
【单选题】Before herbs were __________ in supermarkets year-round, herb vinegar was made in the fall.
A.
obtainable
B.
innumerable
C.
credible
D.
disposable
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