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【单选题】
大多数蛋白质电泳用巴比妥或硼酸缓冲液的 pH 值是()A.
7.2~7.4
B.
7.4~7.6
C.
7.6~8.0
D.
8.2~8.8
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举一反三
【单选题】Xiao Li and I usually _____ the room at the weekend.
A.
clean
B.
cleans
C.
cleaned
D.
cleaning
【简答题】发生基因相互作用的非等位基因本质上( )(填是/否)遵循孟德尔分离和自由组合定律,后代的基因型及其比例是( )(填可以/不可以)预计的
【判断题】A liability that is known to exist but the precise dollar amount is not known is called a possible liability.
A.
正确
B.
错误
【单选题】Xiao Li usually _____ to school by bike last year.
A.
goes
B.
went
C.
will go
D.
is going
【单选题】()是因为有些企业虽然生产或销售同一类型的产品,但是,为了区别不同质量水平的产品,往往也分别使用不同的品牌名称。
A.
个别品牌名称
B.
统一品牌名称
C.
各大类产品单独使用不同的品牌名称
D.
企业名称与个别品牌名称并用
【单选题】A current liability is a debt that can reasonably expected to be paid
A.
within one year
B.
between 6 months and 18 months
C.
out of currently recognized revenues
D.
out of cash currently on hand
【单选题】A liability is:
A.
having wronged someone and being held responsible in court.
B.
a requirement to pay in the future.
C.
inability to perform an agreed task.
D.
the requirement that banks offer insurance to depositors.
【判断题】A customer advance produces a liability that is satisfied when the product or service is provided.
A.
正确
B.
错误
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