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【单选题】
外阻力和心率不变,每搏输出量增加时动脉血压的主要变化是A.
收缩压明显升高
B.
舒张压明显升高
C.
收缩压升高，舒张压降低
D.
收缩压降低，舒张压升高
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
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【单选题】俄罗斯人名一般由三部分组成,即名、父称和姓,例如 : Владимир Иванович Петров(弗拉基米尔 . 伊凡诺维奇 . 彼得洛夫)用名和父称称呼别人多具有 --------- 的意思。
A.
尊敬
B.
爱慕
C.
暗恋
【单选题】Bob was popular with local soccer fans, but his popularity also _______ the fact that he made or scored vital goals when they were needed.
A.
stemmed from
B.
come to
C.
lead to
D.
result from
【简答题】Bob was popular with local soccer fans, but his popularity also stemmed __________ the fact that he made or scored vital goals when they were needed.
【单选题】Bob was popular with local soccer fans, but his popularity also ________ the fact that he made or scored vital goals when they were needed.
A.
stemmed from
B.
resulted in
C.
referred to
D.
led to
【单选题】在磁环上N极和S极交替排列，随着磁环的回转使其磁力线方向不断地变化，伴随每一回转，在内置磁阻元件(MRE)的集成电路中发生多少个脉冲信号()
A.
1
B.
2
C.
10
D.
20
【多选题】下列属于会计核算具体内容的是( )
A.
款项和有价证券的收付、资本的增减
B.
财物的收发、增减和使用
C.
债权债务的发生和结算,财务成果的计算和处理
D.
收入、支出、费用、成本的计算
【单选题】Bob was popular with local soccer fans, but his popularity also ________ the fact that he made or scored vital goals when they were needed.
A.
breaks down
B.
turn into
C.
stemmed from
D.
was stemmed from
【单选题】Bob was popular with local soccer fans, but his popularity also the fact that he made or scored vital goals when they were needed.
A.
burst into
B.
take over
C.
make concessions to
D.
stem from
相关题目：
【多选题】下列属于会计核算具体内容的是( )
A.
款项和有价证券的收付、资本的增减
B.
财物的收发、增减和使用
C.
债权债务的发生和结算,财务成果的计算和处理
D.
收入、支出、费用、成本的计算