Which one of the four choices can substitute the underlined clause in the following sentence?Methane unites with oxygen so that carbon dioxide and water are yielded.
A. to yield carbon dioxide and water
B. carbon dioxide and water are yielded
C. yielded carbon dioxide and water
D. in order to carbon dioxide and water are yielded
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Thirty-two patients ________ CT and MRI examinations were analyzed retrospectively.
A. undergoing
B. underwent
C. had undergone
D. underwent were undergoing
Both bombs produce the same three effects: heat, blast, and radiation, ________ the most fatalities.
A. the first of them usually causes
B. the first of which usually causes
C. and the first of which usually causes
D. the first of whih usually causing
Compared with active voice(主动语态),which of the following statements is not a typical feature of passive voice (被动语态)?
A. More objective
B. Emphasizing the recipient of the action
C. More concise
D. More indirect
Which of the following statements is not correct about the Results Section of a research article?
A. The Results Section should follow certain logical orders.
B. The Results Section needs to be truthfully expressed without exaggeration.
C. The Results Section should not contain results inconsistent with expectations/hypotheses.
D. The information of graphs and text in the Results Section should complement each other.
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