单项选择题

In the second paragraph the word "paramagnetic" means ______.

A．slightly magnetic
B．a weak magnetic field
C．a strong magnetic substance
D．the under-water magnetic power
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单项选择题
According to the announcement which of the following is true of special summer hours for the library
A．It has them only on the weekends.
B．It has them both weekdays and weekends.
C．It has no special summer hours.
D．The information is not availabl
单项选择题
Times for movies and concerts are not listed in this announcement because ______.
A．film or concert occurs every Wednesday at 7 p. m.
B．the full list would be too long
C．films and concerts cannot be announced publicly
D．the full list is not ready yet
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