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【单选题】
观察酵母菌细胞染色体的方法是( )。A.
革兰氏染色法
B.
酸性复红
C.
吖啶黄
D.
染色法
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【单选题】When we call a word “popular”, we do not mean that it is a favorite word, ________ simply that it belongs to the people as a whole, that is, it is everybody’s word.
A.
so
B.
since
C.
for
D.
but
【单选题】听力原文： In science the meaning of the word 'explain' suffers with civilization's every step in search of reality. Science cannot really explain electricity, magnetism, and gravitation their effects can ...
A.
To explain why things happen.
B.
To explain how things happen.
C.
To describe self-evident principles.
D.
To support Aristotelian science.
【单选题】In science the meaning of the word 'explain' suffers with civilization's every step in search of reality. Science can not really explain electricity, magnetism, and gravitation their effects can be me...
A.
to explain why things happen
B.
to explain how things happen
C.
to describe self-evident principles
D.
to support Aristotelian science
【单选题】In science the meaning of the word 'explain' suffers with civilization's every step in search of reality. Science can not really explain electricity, magnetism, and gravitation their effects can be me...
A.
to explain why things happen
B.
to explain how things happen
C.
to describe self-evident principles
D.
to support Aristotelian science
【单选题】In science the meaning of the word 'explain' suffers with civilization's every step in search of reality. Science cannot really explain electricity, magnetism, and gravitation their effects can be mea...
A.
to explain why things happen
B.
to explain how things happen
C.
to describe self-evident principles
D.
to support Aristotelian science
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