皮皮学，免费搜题
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搜题
【单选题】
Why do Chinese parents demand perfect grades from their child?A.
Because they believe that their child can get them.
B.
Because they respect their child self-esteem.
C.
Because they do not want their child feel inferior.
D.
Because they assume that their child does not work hard.
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皮皮学刷刷变学霸
举一反三
【单选题】关于妊娠期变化，下列各项说法中错误的是：
A.
随妊娠进展子宫峡部逐渐伸展形成子宫下段
B.
妊娠12～14周后子宫出现不规则收缩
C.
子宫呈不同程度右旋
D.
胎盘合成大量雌激素对丘脑下部和脑垂体产生负反馈，卵巢不排卵
E.
妊娠40周宫底位于剑突下一横指