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【单选题】
决定抗原与抗体反应特异性的物质基础是A.
TI-Ag
B.
佐剂
C.
抗原决定基
D.
载体
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【单选题】From: Tina Stanton (tina.Stanton@xyzunlimited.com) To: Aleem Ali (aleem.ali@xyzunlimited.com) Subject: Investor's meeting Date: November 19, 6:39 a.m. Aleem, I'm sorry, but I won't be able to make tod...
A.
Ms. Stanton missed her flight.
B.
Ms. Stanton is late for a meeting.
C.
Ms. Stanton cannot attend a meeting.
D.
Ms. Stanton must suddenly leave work.
【单选题】听力原文： Born Cassius Clay in Louisville, Kentucky, in 1942, Muhammad Ali retired from boxing in 1980. As an amateur, he won 100 of 108 fights. Later, as a professional boxer, Ali was trained by Angelo D...
A.
Liston was claimed winner by decision after only two rounds.
B.
Ali knocked Liston out in the seventh round.
C.
Liston was unable to answer the bell in the ninth round.
D.
Ali was proclaimed champion after six rounds.
【简答题】Many people think that twins are exactly the same. But they’re not! Ali and Simon are twin brothers. They look the same and in some ways they are the same. But in other ways they are different. Ali an...
【简答题】Ali suggests that staying ______ can help overcome culture shock.
【单选题】Which of the following is true, according to the passage?
A.
Muhammad Ali had been in prison for four years.
B.
Muhammad Ali restarted his boxing career in 1972.
C.
Muhammad Ali ended his career because of illness.
D.
Muhammad Ali knocked out Archie More in the 5th round.
【单选题】对于酸碱指示剂,全面而正确的说法是( )
A.
指示剂为有色物质
B.
指示剂在酸碱溶液中呈现不同颜色
C.
指示剂为弱酸或弱碱
D.
指示剂为弱酸或弱碱,其酸式或碱式结构具有不同颜色
【简答题】In my opinion, Ali is clearly going to be very successful. doubt I ____________________ that Ali is going to be very successful.
【简答题】The volleball is Alice's .It is _______ .
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