单项选择题

Questions 14 - 17 are based on the following dialogue about redwood. What has contributed most to the redwoods survival

A．Absence of natural enemies.
B．Resistant bark and damp climate.
C．Isolation from the land.
D．Cool and foggy climate.
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单项选择题
Why does the man suggest the woman go early
A．The road will be busy.
B．It will take a long time.
C．London will be crowded.
D．She can come back early.
单项选择题
What does Professor Joanna want John to put into Second draft
A．Appropriate references.
B．A description of different architectural styles.
C．An analysis of different aspects of the National Cathedral.
D．A list of his expenses at the bookstore.
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