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Ask the woman in advance.
B. Write a message to Dr. Tedder.
C. Ask Dr. Tedder for permission.
D. Go to Dr. Tedder"s listening class.
蓝藻的原始性主要表现在:_______、_______、_______和_______。
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A. The man doesn"t agree with the report at all.
B. The man agrees with most part of the report.
C. The man doesn"t think their studies are as busy as expected.
D. The woman doesn"t think putting on a play is practical.