单项选择题

The scientists began to accumulate dat

a.A. collectB. handleC. analyzeD. investigate
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单项选择题
Have you talked to her lately
A. lastly
B. finally
C. shortly
D. recently
单项选择题
Medicine depends on other fields for basic information, particularly some of their specialized branches.
A. conventionally
B. obviously
C. especially
D. inevitably
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