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【单选题】
分离酚类和羧酸类物质可以使用下列哪种试剂:A.
Na
B.
Na 2 CO 3
C.
NaHCO 3
D.
NaOH
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反馈参考答案：
举一反三
【单选题】Java中所有的类都是通过直接或间接地继承( )类得到的。
A.
java.lang.Objec
B.
java.lang.Class
C.
任意类
D.
以上答案都不对
【单选题】I know you are very _____ chocolates, but you will gain weight if you eat too much.
A.
tired of
B.
fond of
C.
full of
D.
afraid of
【单选题】Java 中所有的类都是通过直接或间接地继承( )类得到的
A.
java.lang.Object
B.
java.lang.Class
C.
任意类
D.
以上答案都不对
【单选题】Sometimes when I feel tired and unhappy, I go to play table tennis with some friends. After several rounds, I feel (5) _______ (exciting, excited) and happy. So if you are not in a good mood, go and d...
A.
exciting
B.
excited
【单选题】Do you know the feeling when you are wearing a perfect dress? When someone else speaks highly of your beautiful costume, you may feel very comfortable. How can you make yourself look nice by wearing? ...
A.
Sad
B.
Comfortable
C.
Tired
D.
Interested
【单选题】I know you are very ___ ice-cream, but you will gain weight if you eat too much.
A.
fond of
B.
tired of
C.
full of
D.
afraid of
【单选题】Sometimes when I feel tired and unhappy, I go to play table tennis with some friends. After several rounds, I feel (5) _______ and happy. So if you are not in a good mood, go and do some sports. It wi...
A.
exciting
B.
excited
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