单项选择题

Questions 20 to 22 are based on the passage you have just heard.

A.It comes regularly from its donors.
B.It has been drastically cut by NASA.
C.It has been increased over the years.
D.It is still far from being sufficient.
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单项选择题
A.Press the right-hand lever first. B.Produce the appropriate sound. C.Raise their heads above the water. D.Swim straight into the same tank.
A.Press the right-hand lever first.
B.Produce the appropriate sound.
C.Raise their heads above the water.
D.Swim straight into the same tank.
单项选择题
A.He teaches psychology at Ohio State University. B.He provides counseling for university students. C.He specializes in interpersonal relationships. D.He has experience tutoring black students.
A.He teaches psychology at Ohio State University.
B.He provides counseling for university students.
C.He specializes in interpersonal relationships.
D.He has experience tutoring black students.
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