单项选择题

The latest year for which figures could be obtained is __________.

A．the year the author wrote the article
B．1977
C．any year between 1977 and 1983
D．1983
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单项选择题
A myograph (Para. 2, Line 1) is an electronic instrument that __________.
A．is able to design new tools
B．measures the amount of energy used
C．enable people to see the muscular movements
D．visualizes electrical signals
单项选择题
What is implied but not stated by the author is that __________.
A．breakfast does not affect performance
B．Dr. Pollitt is engaged in research work at an institution of higher learning
C．not eating breakfast might affect the health of children
D．Professor Bender once taught college courses in nutrition in London
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