单项选择题

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A.Because the professor has told her to do so.
B.Because it’’s difficult to understand without notes.
C.Because there will be a test the next week.
D.Because she has borrowed the man’’s psychology notes.
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单项选择题
The best title for this passage is ________.
A.The Basic Function of Genetic Engineering
B.New Applications of Genetic Engineering
C.Recombinant DNA Technology, a New Process in Genetic Engineering
D.The Promises & Dangers of Technological Development
单项选择题
A.It helps people work efficiently.B.It’’s more refreshing than soda.C.It should be drunk in moderation.D.It has less flavor than tea.
A.It helps people work efficiently.
B.It’’s more refreshing than soda.
C.It should be drunk in moderation.
D.It has less flavor than tea.
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