题目
第1题
(Not) too many years ago, it was an (excited) experience (to travel) 25 or 50 miles (away from) home.
A.Not
B.excited
C.to travel
D.away from
第4题
The author thinks that it's important for scholars to be able to travel because
A.their laboratories are in remote places
B.there is too much stress at universities
C.their fellow experts are scattered around the world
D.there are so many people working in similar fields
第5题
听力原文:Many people like to travel by plane.
A.
B.
C.
第6题
What can be concluded from the passage?
A.Scientists' discoveries always change people's belief.
B.There are too many secrets to be discovered.
C.Megalodon may be still alive deep in the ocean.
D.Deep sound channel allows sound waves to travel undisturbed.
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