单项选择题
It was ______ that asked Maury for help in oceanographic studies.
A.the American Navy
B.some early intercontinental travelers
C.those who earned a living from the Sea
D.the company which proposed to lay an undersea cable
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单项选择题
The aim of the competition was ______.
A.to ask schoolchildren for suggestion
B.to encourage young people to carry out their bright ideas
C.to start "pupil power"
D.to start a competition among the teachers
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单项选择题
Which of the following facilities is NOT listed in this announcement
A.Food.
B.Transportation.
C.Clinic.
D.Accommodation.
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