听力原文:W: Hello, Mr. Smith. This is Mary. I'm sorry to tell you that Dr. Brown has to ch
M: Oh, well, thank you for calling. I'll see him in his office then.
Where is Dr. Brown now?
A.In his office.
B.At home.
C.Not sure.
D.In New York.
M: Oh, well, thank you for calling. I'll see him in his office then.
Where is Dr. Brown now?
A.In his office.
B.At home.
C.Not sure.
D.In New York.
A.are yet to be simplified
B.are expanding all the time
C.remain an ideal in imagination
D.remain an issue beyond solution
A.cut a structure from a right position
B.design parts of a complex structure
C.measure the distance between planets
D.predict the movement of earth's plates
A.Three.
B.Five.
C.Eight.
D.Ten.
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