题目内容
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[单选题]
The sentence “The English and American are two peoples divided by the same language.” i
A.” is said by ().
B.Bertrand Russell
C.George Bernard Shaw
D.Oscar Wilde
E.William Shakespeare
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A.” is said by ().
B.Bertrand Russell
C.George Bernard Shaw
D.Oscar Wilde
E.William Shakespeare
The topic sentence of Paragraph 3 is______.
A.at the beginning of this paragraph
B.at the end of this paragraph
C.in the middle of this paragraph
D.Both A and B
配合物[Co(NH3)2(en)2]Cl3的名称为______,配体为______和______,中心离子为______,配位数为______。(en是乙二胺的简称)
The best title for this passage is ______.
A.Magic and Superstition
B.The Typical HAllowe' en Colors
C.The History of Hallowe' en
D.A Creative Second Celebration
试证明:
设:m(En)≥δ>0(n∈N),{an}是数列,若,a. e.x∈[a,b],则.