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【单选题】
如题图所示，bca为理想气体绝热过程，b1a和b2a是任意过程，则上述两过程中气体做功与吸收热量的情况是:【图片】A.
b 1 a 过程放热，做负功； b 2 a 过程放热，做负功．
B.
b 1 a 过程吸热，做负功； b 2 a 过程放热，做负功．
C.
b 1 a 过程吸热，做正功； b 2 a 过程吸热，做负功
D.
b 1 a 过程放热，做正功； b 2 a 过程吸热，做正功
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举一反三
【简答题】Jane was attracted by the behavior of animals. She could sit for hours _________ (observe) a bird a net or an ant _________ (carry) a leaf.
【单选题】She was attracted by that fancy pair of shoes displayed in the shop window.
A.
imaginary
B.
unusual
C.
expensive
D.
good looking
【简答题】Word2010打印已经编辑好的文档之前,要看到整篇文档的排版效果,应该使用的功能是[[ ]]。
【单选题】She was so attracted by the story that she ___________ it for three hours before she realized it.
A.
had read
B.
read
C.
was reading
D.
will have read
【判断题】After Alice took up the fan and a pair of the gloves, and was just going to leave the room, she was attracted by a little bottle that labelled "DRINK ME" near the looking-glass.
A.
正确
B.
错误
【简答题】One day, while s___ some magazines, a true story caught her eyes/she was attracted by a true story.
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