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【单选题】
LDL在电泳中的位置相当于()A.
CM位
B.
原点
C.
β一脂蛋白位
D.
α一脂蛋白位
E.
前β一脂蛋白位
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反馈参考答案：
举一反三
【单选题】请根据短文内容，回答题。 The Biology of Music Humans use music as a powerful way to communicate. It may also play an important role in love. But what is music, and how does it work its magic? Science does not yet...
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】E-mail, as well as telephones, _____ an important part in daily communica
A.
is playing
B.
have played
C.
are playing
D.
play
【单选题】消防机构发现使用依法应当得市场准入资格而未获得准入资格的消防产品或者不合格消防产品、国家明令淘汰的消防产品等使用领域消防产品质量违法行为,应当依法( )
A.
罚款;
B.
警告;
C.
责令限期改正;
D.
停产业
【单选题】What does 'to speak to'(Line 8, Paragraph 2)mean?
A.
To talk with.
B.
To say to.
C.
To communicate with.
D.
To respond to.
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