皮皮学，免费搜题
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搜题
【单选题】
丙烯腈、苯乙烯(丁二烯)共聚树脂的主要卫生问题是A.
树脂的本身毒性
B.
丙烯腈单体残留
C.
丁二烯单体残留
D.
苯乙烯单体残留
E.
聚合中添加的防老剂
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
【单选题】---It's very kind of you wo do me a favor.
A.
---That's all right.
B.
---It doesn't matter.
C.
---It's my pleasure.
D.
---It's good.
【简答题】慕课平台的领导者分别为: 、 、
【单选题】There is no ___________ in trying to talk him into joining us. He enjoys being alone. A．doubtB．wo
A.
7. There is no ___________ in trying to talk him into joining us. He enjoys being alone. A．doubt
B.
wonder
C.
hope
D.
Point
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