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【单选题】
Section A Directions: In this section, you will hear three news reports . At the end of each news report , you will hear two or three questions. Both the news report and the questions will be spoken only once. After you hear a question , you must choose the best answer from the four choices marked A), B), C) and D), and decide which is the best answer. Then mark the corresponding letter on the Answer Sheet with a single line through the center. Questions 1 and 2 will be based on the following news items.
A.
Christmas-time attacks made by Somali rebels.
B.
An explosion at a bus station in central Nairobi.
C.
The killing of more than 70 Ugandans in Kampala.
D.
Blasts set off by a Somali group in Uganda ’ s capital.
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【单选题】在曝光量-厚度曝光曲线中,纵坐标是?
A.
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B.
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C.
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