四甲基联苯胺(TMB)在ELISA测定中是何种标记酶的底物
A.辣根过氧化物酶
B.碱性磷酸酶
C.β-半乳糖苷酶
D.辣根过氧化物酶及碱性磷酸酶
E.碱性磷酸酶及β-半乳糖苷酶
第1题
The_____city for the 2008 Olympic Games is Beijing.
A.host
B.only
C.master
D.main
第2题
Sydney was the host of the Summer Olympic Games for the year______.
A.1992
B.1996
C.2000
D.2004
第3题
A、Yang Lan.
B、Ma Yun.
C、Yu Minhong.
D、none of the above
第4题
How old will Joma be when the 2008 Olympic Games are held.'?
A.Fourteen.
B.Seventeen.
C.Sixteen.
第5题
The ____ city for the 2008 Olympic Games is Beijing
A.master
B.main
C.host
D.only
第6题
The_____city for the 2008 Olympic Games is Beijing.
A.host
B.only
C.master
D.main
第7题
We Chinese are all______ the successful holding of the 2008 Olympic Games in Beijing.
A.pride
B.proud of
C.proud in
D.pride of
第8题
The Olympic Games will be held in Beijing in ______.
A.the 2008
B.2008 year
C.the year 2008
第9题
What is the best title of the passage?
A.The Olympic Games
B.The Olympic Games And The International Olympic Committee (IOC)
C.The International Olympic Committee (IOC)
D.The Winter Olympics And The Summer Olympics
第10题
How many countries will ______ in the 2008 Olympic Games?
A.participate
B.play
C.take
D.have
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