单项选择题

Passage Three Questions 22 to 25 are based on the passage you have just heard.

A．They are highly sensitive to cold.
B．They are vitally important to our life.
C．They are a living part of our body.
D．They are a chief source of our pain.

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单项选择题

36（）

A.accelerating
B.actually
C.closely
D.contemporary
E.courses
F.critical
G.declining
H.degrees
I.especially
J.future
K.led
L.met
M.procedures
N.proportions
O.sphetes

单项选择题

A．They had to beg for foot after the harvest.B．They grew wheat and corn on a small farm.C．They shared a small flat with their relatives.D．The children walked to school on dirt roads.

A．They had to beg for foot after the harvest.
B．They grew wheat and corn on a small farm.
C．They shared a small flat with their relatives.
D．The children walked to school on dirt roads.