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【单选题】
当理想气体反抗一定的外压做绝热膨胀时,则A.
焓总是不变的
B.
热力学能总是不变的
C.
焓总是增加的
D.
热力学能总是减小的
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】[习题1.22] 设a≠0， ，求a×x=b的点的轨迹。
【单选题】在国外租车旅游,需要租车公司“推荐一辆经济实惠的车”可以说
A.
Do you have a drop-off service?
B.
Would you please recommend one that is cheap and easy to drive?
C.
I want to rent a big compact car. Would you recommend the best car to me?
D.
I want to rent a big compact car.
【单选题】As part of your new job at CyberInc. the company is providing you with a new Jeep. Your firm will lease this $34,000 Jeep for you. The terms of the lease are seven annual payments at an interest rate ...
A.
$4,857.14
B.
$6,984.39
C.
$3,584.00
D.
$5,342.86
【单选题】在租车公司里,你想租一辆手动挡的车,可以这样向工作人员说____。
A.
I prefer a manual one．
B.
I’d like an automatic shift one．
C.
I’d like it to be fully gassed.
D.
I’d like to rent a car here.
【单选题】在租车公司里,你想租一辆自动挡的车,可以这样向工作人员说:( )
A.
I prefer a manual one．
B.
I ’d like an automatic shift one．
C.
I ’d like it to be fully gassed.
D.
I ’d like to rent a car here.
【简答题】The car _________on the way to the airport, and I had to get a taxi. 汽车在去飞机场的途中抛锚了,我只好叫了 一辆出租车。
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