皮皮学，免费搜题
登录
搜题
【单选题】
宫内节育器避孕原理，下述哪错误的A.
通过异物的局部效应发挥作用
B.
机械作用，阻止孕卵着床
C.
异物刺激子宫内膜产生非细菌性反应，不利于胚胎发育
D.
抑制下丘脑垂体卵巢轴起作用
E.
刺激内膜产生前列腺素，影响孕卵着床
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】李约瑟认为，()是中国科学人道主义的理论基础。
【单选题】The ancestors of the horse lived ______ and were about half a meter tall.
A.
years ago 60 million
B.
60 million years ago
C.
ago 60 million years
D.
million years ago 60
【简答题】胃在中等充盈时,大部分位于 ,小部分位于 。
【简答题】阅读理解。 2. 26-meter-tall Yao Ming made his NBA debut (初次亮相) on October 23,2002 and got 6 points for the Houston Rockets in the . The next day, he scored 16 points in another . Yao Ming, 22, has...
【单选题】Passage Four 2. 26-meter-tall Yao Ming made his NBA debut (初资登台) on October 23, 2002 and got 6 points (得分) for the Houston Rockets in the . The next day, he got 13 points in another . Most peo...
A.
22
B.
23
C.
24
D.
26
【简答题】阅读理解。 26-meter-tall Yao Ming made his NBA debut (初次登台) on October 23, 2002 and got 6 points for the Houston Rockets in the . The next day, he got 13 points (得分)in another . Most people think t...
【简答题】阅读理解。 2. 26-meter-tall Yao Ming made his NBA debut (初次亮相) on October 23,2002 and got 6 points for the Houston Rockets in the . The next day, he scored 16 points in another . Yao Ming, 22, has ...
相关题目：