
【名词&注释】
热力学定律(law of thermodynamics)、分子力(molecular force)、不容易(not easy)
[单选题]关于热力学定律,下列说法正确的是
A. 在一定条件下物体的温度可以降到0 K
B. 物体从单一热源吸收的热量可全部用于做功
C. 吸收了热量的物体,其内能一定增加
D. 压缩气体总能使气体的温度升高
查看答案&解析
举一反三:
[单选题]What was Mrs. Franks doing when the accident took place?
A. Walking along Churchill Avenue.
B. Getting ready to cross the road
C. Standing out side a road.
[单选题]下列现象中不能说明分子间存在分子力的是
A. 两铅块能被压合在一起
B. 钢绳不易被拉断
C. 水不容易被压缩
D. 空气容易被压缩
[单选题]Who couldthe man spesker most probably be?
A. A person who saw the accident.
B. the driver of the lorry.
C. A police officer.
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