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【多选题】
等速电泳的特点有（）。A.
所有谱带以同一速度移动
B.
化
C.
浓缩
D.
稀释
E.
化
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举一反三
【单选题】Which of the following is true of Nicholas Humphrey?
A.
He thinks Ayumu has an amazing memory.
B.
He believes that Ayumu sees the colors of numbers.
C.
He was inspired by Primatologist Tetsuro Matsuzawa.
D.
He delivered a speech on synesthesia at the 2011 conference.
【简答题】抗体一般是
【单选题】What does the passage mainly tell us?
A.
Learning a foreign language depends on a good memory.
B.
None of us can live without memory.
C.
Our memories are truly amazing.
D.
How well we remember things is affected by various factors.
【简答题】“When Lilacs Last in the Dooryard Bloomed” was a poem written by Walt Whitman in memory of __________.
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