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【简答题】
比色皿厚度、有色络合物浓度、络合物的颜色、入射光波长中,影响有色络合物的摩尔吸收系数的因素是_______________。
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反馈参考答案：
举一反三
【判断题】Listen to the passage again. Circle T for true or F for false. 1. Some countries refuse to allow people to enter if their passport expires in less than six months.
A.
正确
B.
错误
【单选题】Listen to six people ask questions about food and drink in a restaurant . Choose the itme that each person is talking about.
A.
the check
B.
the menu
【单选题】Listen to six people ask questions about food and drink in a restaurant . Choose the itme that each person is talking about.
A.
water
B.
bread
【单选题】Listen to six people ask questions about food and drink in a restaurant . Choose the itme that each person is talking about.
A.
coffee
B.
the meat
【单选题】Around the world young people are spending unbelievable sums of money to listen to rock music. Forbes magazine claims that【31】least fifty rock stars have【32】of between two million and six million doll...
A.
of
B.
at
C.
in
D.
for
【单选题】Listen to six people ask questions about food and drink in a restaurant . Choose the itme that each person is talking about.
A.
soup
B.
pasta
【单选题】共产主义远大理想在我国社会主义初级阶段的现实体现是( )
A.
中国特色社会主义共同理想
B.
社会主义荣辱观
C.
以爱国主义为核心的民族精神
D.
以改革创新为核心的时代精神
【单选题】Listen to six people ask questions about food and drink in a restaurant . Choose the itme that each person is talking about.
A.
a meal
B.
a plate
【简答题】It would be easier to memorize your PINs if you _________. [A] produce them in a casual manner [B] use numbers instead of letters [C] relate them to the real world [D] change them frequently
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