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【B7】
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The sentence "Change is moving at glacial(冰川的) speed, (Para. 2) suggests that Swicord was ______ about the change.
听力原文：W: When did you become interested in collecting stamps？
M: Oh, when I was about ten years old. It's an exciting hobby. You know, the first postage stamps were issued in Britain in 1840.
W: Really？ I didn't know that. I did know that the charge for mail delivery before postage stamps was paid by either the sender or the receiver. How much was the usual charge？
M: Oh, about ten cents for a short distance. But post offices were losing money with that system. Rowland hill, an Englishman, suggested using postage stamps. Here's a picture of the first two stamps issued.
W: They both bear a picture of Queen Victoria.
(8)
The secretary is expected to explore ideas for post-war reconstruction of the area.（）
李师傅加工一批零件，如果每天做50个，要比原计划晚8天完成；如果每天做60个，就可以提前5天完成。这批零件共有多少个？（）
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