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7.
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t
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1
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3
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1
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宸ヤ汉鍋氱殑棰濆鍔熶负
300
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(2)
宸ヤ汉鍋氬姛鐨勫姛鐜囦负
20
w
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鍔ㄦ粦杞殑鏈烘鏁堢巼
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2.
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60
(2)
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3)
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1. C 2. C 3.
100
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6.
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4
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2
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1
7.
12
24
8.
200 80
%
9.
濡傚浘鎵�绀?/p>
10.
濡傚浘鎵�绀?/p>
11
. (1) 0.5 66.7 (2)
涓嶈兘
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12. (1) 0.3
0.36
83.3%
(2)
濡?/p>
鍥?/p>
鎵�
绀?