单项选择题

A．make a contrastive analysis of themB．illustrate the a……

The purpose of the author in mentioning the three researches is to ______.

A．make a contrastive analysis of them
B．illustrate the achievements in cancer therapy
C．present the similarities and differences between them
D．show how altered genes can cause cancer

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单项选择题Six-Pack Man is probably a video game that can ______.

A．test for drunken driving
B．cost you a lot of money
C．be a danger to public morals
D．help conduct experimental research

单项选择题We can safely infer from the article that video games can NOT improve people's ______.

A．ability to handle new situations
B．skills in getting along with others
C．physical power and forbearance
D．hand-and-eye coordination

单项选择题The author's general attitude towards video games is that ______.

A．video games create a world which reflect our real life
B．most video games are helpful rather than harmful to people
C．more research should be done regarding the benefits of video games
D．video games mirror a balance between reality and our own wishes

单项选择题Which of the following most appropriately describes the author's logic of writing this passage

A．Cite two different views concerning one issue, and then give comments of them.
B．Analyze an issue and then express his own attitude.
C．List different aspects of an issue and give a summary at the end.
D．Cite a view at the beginning and then argue against it through giving sufficient proofs.

单项选择题As is used in the text, the word profile in the second paragraph most probably means ______.

A．graphic presentation
B．scientific discovery
C．inherited source
D．specific treatment plan