单项选择题

It seems that the author of the passage()what Dr. Coles says in the book The Privileged Ones.

A. knows little about
B. is doubtful about
C. is opposed to
D. agrees with

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单项选择题

According to the passage, it is possible for us to tell one type of person from another because()

A. people differ in their behavioral and physical characteristics
B. human fingerprints provide unique information
C. people’s behavior can be easily described in words
D. human faces have complex features

单项选择题

What does the American team plan to do on the trip up the mountain()

A. To make Everest even cleaner than it was.
B. To tell climbers not to leave waste materials.
C. To take away all the trash they could find there.
D. To collect and treat human waste before the ice melted.