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Earth observations should provide " value added " applications from existing environmental

A. as
B. to
C. for
D. with

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Why does the author say that the important part of this research began when two Harvard researchers were brought in？

A. Until then the research had been poorly conducted.
B. They took a multifaceted approach.
C. The results of the original research did not make sense.
D. Harvard had a good reputation in conducting research.

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At the World Literary Center, an organization that works to help people read, the helpers

A. assistants
B. volunteers
C. part-timers
D. amateurs

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When required by their teacher to take notes in classes, some students only do so D______.

A. willingly
B. impatiently
C. cautiously
D. reluctantly

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The word "norms" underlined in Paragraph 2 means______.

A. requirements
B. acceptance
C. preference
D. standards

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Earth observations should provide " value added " applications from existing environmental

A. as B. to C. for D. with

Why does the author say that the important part of this research began when two Harvard researchers were brought in？

At the World Literary Center, an organization that works to help people read, the helpers

When required by their teacher to take notes in classes, some students only do so D______.

The word "norms" underlined in Paragraph 2 means______.

A. as
B. to
C. for
D. with