皮皮学，免费搜题
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【单选题】
取浓硫酸时,不小心将浓硫酸滴落在皮肤上,此时A.
立即冲洗
B.
用纸吸干
C.
量少时立刻大量水冲洗，量多时先轻轻擦拭，再用大量水冲洗
D.
加点氢氧化钠中和硫酸
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】为何发酵液中细胞非常稳定,在进行分离纯化之前进行预处理?错误的是:
A.
细胞具有双电层
B.
发酵液是非牛顿力学流体
C.
菌体浓度太低
D.
由于微生物细胞具有悬浮性
【单选题】One of the greatest benefits of Internet friendships is that they are based on common interests, ________ appearance, age or popularity.
A.
more than
B.
rather than
C.
or rather
D.
more or less
【简答题】为何要对发酵液进行预处理？预处理发酵液的方法有哪些？
【单选题】One of the greatest benefits of stamp－collecting is that they are based on common interests，________ appearance，age or wealth.
A.
other than
B.
or rather
C.
rather than
D.
instead
【单选题】Common interests ______ this country with many others during the war.
A.
associated
B.
allied
C.
combined
D.
united
【简答题】发酵液为什么要进行预处理?
【简答题】在进行产品的分离纯化制备之前,为什么要对发酵液进行预处理?
【单选题】But for their common interests, they_____ cooperated so smoothly in the investigation of the case.
A.
could have
B.
will not have
C.
could not have
D.
have not
【简答题】IPv6 默认路由用( )表示。
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