皮皮学，免费搜题
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搜题
【单选题】
硝化细菌、铁细菌属于()A.
光能自养型
B.
光能异养性
C.
化能自养型
D.
化能异养型
E.
以上都不是
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】John’s success has nothing to do with good luck. It’s years of hard work ______has made him what he is today.
A.
why
B.
when
C.
which
D.
that
【单选题】John's success has nothing to do with good luck. It is years of hard work ________ has made him what he is today. [ ]
A.
why
B.
when
C.
which
D.
that
【简答题】What has made Fern so sad at first?
【简答题】举例说明中式菜肴的特点?
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