皮皮学，免费搜题
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【单选题】
下列有促进乳汁分泌作用的措施是A.
服用前列腺素
B.
婴儿吸吮乳头
C.
使用大剂量雌激素制剂
D.
使用孕激素制剂
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】D Science can't explain the power of pets, but many studies have shown that the company of pets can help lower blood pressure (血压) and raise chances of recovering from a heart attack, reduce lonelines...
A.
What pets bring to their owners.
B.
How pets help people calm down.
C.
People's opinions of keeping pets.
D.
Pet's value in medical research.
【单选题】— Do you mind if I keep pets in this building? — _____. [ ]
A.
I'd rather you didn't, actually
B.
Of course not, it's not allowed here
C.
Great! I love pets
D.
No, you can't
【简答题】车站应建立健全铁路危险货物运输事故（）和信息网络。
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