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【单选题】
普惠制的主要原则是（ ）。A.
普遍的、非歧视的、非互惠的、永久的
B.
普遍的、非歧视的、非互惠的
C.
非普遍的、非歧视的、非互惠的
D.
非普遍的、歧视的、互惠的
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反馈参考答案：
举一反三
【单选题】请您再说一遍好吗?
A.
would you speak more slowly？
B.
Would you please say it again?
C.
I can' t catch you.
D.
I don't understand.
【简答题】句型转换。 1.The man is a famous dancer .(就画线部分提问) ________ ________the man? 2. He went to school when he was eight years old. (改为同义句) He________ ________to school________he was eight years old. 3. born, ...
【单选题】The man is from a famous recruitment website.
A.
a manager
B.
a leader
C.
an expert
D.
a designer
【单选题】Who was one of the most famous American novelists, short stroy writers and essayist? His novel "The old man and the Sea”is famous all over the world.
A.
Ernest Hemingway
B.
Oscar Wilde
C.
Pierre Auguste Renoir
D.
Robert Frost
【单选题】在常见的糖中,大多数 β -D 和α -L 苷端基碳上质子的偶合常数为( )
A.
1～ 2 Hz
B.
3 ～ 4 Hz
C.
6～ 8 Hz
D.
9 ～ 10 Hz
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