单项选择题

Fungi can be differentiated from most bacteria by culturing at:

A．marine
B．low pH
C．neutral pH

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单项选择题

What is a summary?( )
A、A summary is a brief, concise restatement of the main facts or points of a passage or a book.
B、The heart of a summary is a completely logical, unbiased, unemotional reflection of a text in shorter form.
C、The watchword for writing a summary isaccuracy: whatever we do is to convey the message of the original faithfully without any comment.
D、all of the above.

添加茶水的顺序和初次倒水顺序一样，先主人后客人，或先领导后其他人。

答案：错误