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【单选题】
下述影响中脉压的诸因素中,哪一项是最重要的A.
静脉血管张力
B.
肺循环阻力
C.
动脉压
D.
回心血量和右室排血量之间的动态关系
E.
血容量
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皮皮学刷刷变学霸
举一反三
【单选题】Why does the author give a definition of instinct at the beginning of the article?
A.
To ensure the reader knows the meaning.
B.
To give the meaning he has chosen to believe.
C.
To challenge a commonly held belief.
D.
To introduce the topic.
【单选题】Why does the woman want to make the purchase in the store?
A.
The article is cheap in the store.
B.
The article is of good quality in the store.
C.
The store is near her place.
D.
The store has free delivery service.
【单选题】Why does the woman want to make the purchase in the store?
A.
The article is cheap in the store.
B.
The article is of good quality in the store.
C.
The store is near her place.
D.
Tile store has free delivery service.
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