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【简答题】
点P（3，-5）关于原点对称的点的坐标为______．
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举一反三
【单选题】分娩过程中哪项是正确的
A.
第三产程时，胎盘排出主要靠腹肌收缩力
B.
第一产程时，产力主要指子宫收缩力
C.
第二产程时，产力不包括腹肌收缩力
D.
好的收缩指子宫不间歇收缩
E.
子宫收缩乏力是指宫缩强度，与宫缩频率无关
【单选题】The writer's marriage to Clint is important to her mainly because______.
A.
it made her kids happy, which is all she cared about
B.
every day Clint would tell the writer that he loved her
C.
it helped her to regain her self respect
D.
it gave her and her sons a second chance to live a happy life
【单选题】分娩过程中哪项是正确的
A.
第一产程时，产力主要指子宫收缩力
B.
第二产程时，产力不包括腹肌收缩力
C.
子宫收缩乏力是指宫缩强度，与宫缩频率无关
D.
第三产程时，胎盘排出主要靠腹肌收缩力
【单选题】分娩过程中哪项是正确的
A.
第二产程时，产力不包括腹肌收缩力
B.
第三产程时，胎盘排出主要靠腹肌收缩力
C.
好的收缩指子宫不间歇收缩
D.
第一产程时，产力主要指子宫收缩力
【单选题】The writer's marriage to Clint is important to her mainly because ______.
A.
it gave her and her sons a second chance to live a happy life
B.
every day Clint would tell the writer that he loved her
C.
it helped her to regain her serf-respect
D.
it made her kids happy, which is all she cared about
【单选题】What did the writer’s daughter want her to do?
A.
To lend her £3,000.
B.
To let her use the writer’s credit card.
C.
To support her application for a credit card.
D.
To increase the amount of money the writer was giving her regularly.
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