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【单选题】
测定果汁等含色素样品中的还原糖含量最好选择（ ）A.
直接滴定法
B.
蓝－爱农法
C.
高锰酸钾法
D.
以上说法均不对
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举一反三
【单选题】What might be mentioned in Frans de Waal's book?
A.
His attitude to people's understandings of Darwinism.
B.
His staying together with Jenny day after day.
C.
His strong support for Machiavellian.
D.
His working experience with Kant.
【简答题】在PN结两端加电压,称为给PN结加偏置,如果使P接电源____,N接电源 ____极,称之为加正向偏置;当PN结加____时导通,加____时截止,这就是PN结的____性。
【单选题】What do we know about Frans de Waal?
A.
He spent a lot of time observing Jenny at the London Zoo in his childhood.
B.
He delivered Tanner Lectures for human values at Emory University.
C.
He is a Dutch-born psychologist, ethnologist and primatologist.
D.
He supports Darwin's opinion to some extent.
【简答题】因调车作业超速连挂和“禁溜车”溜放等造成货物装载加固状态破坏而引发的事故，定（）责任。
【单选题】Which statement would Frans de Waal most probably agree to?
A.
Bonobos are not as concerned about each other as chimps.
B.
Atheists would like to emulate the harmony among Bonobos.
C.
Bonobos are a good example to show where morality comes from.
D.
Atheists are a group of people who are lack of moral standards.
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