单项选择题

What is the woman’s reply

A．She knows Professor Arnold has come.
B．She thinks Professor Arnold has checked in.
C．She is sure that Professor Arnold has arrived.
D．She doesn’t know whether Professor Arnold has arrived.
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单项选择题
What idea does the author want to convey in the first paragraph
A．It is wrong to overestimate the importance of teaching.
B．Teaching and research are contradictory to each other.
C．Research can never be emphasized too much.
D．The relationship between teaching and research should not be simplified.
单项选择题
In academic promotions research universities still attach more importance to research partly because ______.
A．research improves the quality of teaching
B．students who want to be challenged appreciate research professors
C．it is difficult to evaluate teaching quality objectively
D．professors with achievements in research are usually responsible and tough
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