问题
选择题
13. The foreman(工头) beat him _____ , and the other workers were very angry with him.
A．red-blooded
B．black and white
C．red-handed
D．black and blue
答案
答案：D
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13. The foreman(工头) beat him _____ , and the other workers were very angry with him.
A．red-blooded
B．black and white
C．red-handed
D．black and blue
答案：D
，甲吸收的热量是乙吸收热量的2倍，则甲的比热容是乙的比热容的（ ）
