单项选择题

The findings of James and other scientists in their work______ .

A．remain a theory to be further proved
B．have been challenged by many other experts
C．are practiced by the researchers themselves
D．have been generally accepted

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热门试题

单项选择题

Judging from the fourth paragraph, what does junk mean

A．food like ice-cream.
B．food you don't like.
C．pleasure foods.
D．low-quality foods,

单项选择题

According to Fozard's argument, people can make their brain work more efficiently by______ .

A．taking part in various mental activities
B．making frequent adjustments
C．going through specific training
D．constantly doing memory work