单项选择题

According to the passage, Corona is ______.

A．the first in a long series of satellites for development
B．an orbiting satellite for photo-reconnaissance
C．one satellite which launched 95 other satellites
D．a missile against the Soviet Union

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热门试题

单项选择题

According to this passage, to be a para-professional one ______.

A．usually receives some training for doctors' work
B．is trained extensively for a certain period of time
C．graduates from a medical college or school
D．goes over the basic courses within 18 months

单项选择题

Which of the following is NOT a duty of a nurse practitioner

A．Diets developing.
B．Wounds sewing up.
C．Care giving to children.
D．Infants deliverin