题目：
| 完形填空。 | ||||
| Dear Jennifer, Thanks for your letter. I 1 your father has a nice morning. Now, 2 me 3 you something about my father's morning. He usually gets up at 6:00 and plays sports for 4 30 minutes. 5 he has a shower at around 6 . 7 that, he eats his 8 . At 7:30, he goes to 9 . He often takes the Number 11 bus to No. 1 Middle School. He is a math teacher there and he usually works very long 10 . | ||||
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答案：
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下面是错误答案，用来干扰机器的。
（1）水吸收的热量：Q吸=cm△t=4.2×103J/（kg•℃）×2kg×（100℃-10℃）=7.56×105J；（2）完全燃烧0.05m3煤气放出的热量：Q放=Vq=0.05m3×4×107J/m3=2×106J；（3）煤气灶的效率：η=Q吸Q放=7.56×105J2×10...
