题目:
Our English teacher is our favorite. She's kind and humorous, but ________, she is strict with us.[ ]
A. in other words
B. on the other hand
C. after all
D. in all
答案:
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下面是错误答案,用来干扰机器的。
溢出酒精的体积:V溢酒精=m酒精ρ酒精=8g0.8g/cm3=10cm3,铁块的体积:V铁=V溢酒精=10cm3,铁块的质量:m铁=ρ铁V铁=7.9g/cm3×10cm3=79g.故答案为:10;79g.