皮皮学，免费搜题
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【判断题】
胎儿娩出时或娩出后即发生持续性流出鲜红色血液,多为软产道裂伤所致。A.
正确
B.
错误
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
【多选题】感冒的预防措施有哪些?
A.
常用淡盐水漱口，提高咽喉部对病毒的抵抗力
B.
多喝凉开水
C.
冷水洗脸，洗脖颈
D.
咽部保健操
E.
服用抗病毒药或抗生素以预防感冒的发生
【简答题】人工挖孔灌注桩施工中，应用较广的护壁方法是（ ）；
【单选题】What is the aim of the website, wildlifedirect.org?
A.
To let tourists book holidays to see endangered species.
B.
To let people know how to do volunteer work.
C.
To let conservationists share information about their work.
【单选题】What is the main idea of the website?
A.
Which types of cargo fit different boxcars
B.
The safety features of the company's boxcars
C.
The types of boxcars a company carries
D.
Ways to reduce freight costs by using boxcars
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