题目内容

Which of these word usually should not appear right at the start of the title？

A. Studies on
B. Investigations on
C. Observations on
D. Inhibition of

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（）is the person who played the lead role in the research.

A. Last author
B. First author
C. The third author
D. The second-to-last author

Most or all of the abstract should be written in the present tense.

The hallmark of a good introduction include（）

A. Brevity
B. Verbose
Clarity
Direction

Some of the research results usually should be included in Materials and Methods section.