皮皮学，免费搜题
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【判断题】
燃气的种类很多,主要有天然气、人工 燃气、 液化石油气 和沼气 、煤制气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
【单选题】下列哪项反应属于生物转化第二相反应
A.
黄曲霉素 B1 转变为 2 ， 3- 环氧黄曲霉素
B.
乙醇转变为乙酸
C.
硝基苯转变为亚硝基苯
D.
乙酰水杨酸转变为水杨酸
E.
雌酮转变为雌酮硫酸酯
【简答题】Make a self introduction (no less than 100 words) in English, then make a short video and upload it.
【简答题】My name is Liana Wexler. I’m 12 years old, and I am the founder of “Kids for Kerry”. “Kids for Kerry” is a grassroots organization of kids that support John Kerry, want to help their futures, and get ...
【简答题】'Make a difference' One minute video competition! Looking for a way to make a difference? Create a one-minute video to tell the world how young people are speaking out, taking action and a diff...
【单选题】When I administered justice, I told on THEM. Who does the word “them” here refer to? A、 my parents B、 the kids who picked on my brother C、 the parents of the kids who picked on my brother D、 the neigh...
A.
my parents
B.
the kids who picked on my brother
C.
the parents of the kids who picked on my brother
D.
the neighborhood kids
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