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小动脉收缩、外周阻力增加时引起()E.

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M: She sends her apologies. She has a big exam tomorrow and wants to be sure she's ready for it.
Q: What is Jane doing now?
(14)

Attending the party.
B. Visiting some friends.
C. Studying for an exam.
D. Writing a letter of apology.

Why does people call pencil the "lead pencil"?

A. Because pencil is made of lead.
Because people made a mistake.
C. There is no reason.

【B1】

A. families
B. home
C. house

【B7】

A. self
B. selves
C. own

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