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搜题
【判断题】
弹出广告、全屏广告插、播式广告都不具有强制性。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】The driver was very happy that his car ______ very well in this car-washing centre.
A.
cleans
B.
cleaned
C.
was cleaned
D.
is cleaned
【简答题】已知某一时期内某商品的需求函数为Q d =50-5P,供给函数为Q s =-10+5P。 (1)求均衡价格P e 和均衡数量Q e 。 (2)假定供给函数不变,由于消费者收入水平提高,使需求函数变为Q d =60-5P。求出相应的均衡价格P e 和均衡数量Q e 。 (3)假定需求函数不变,由于生产技术水平提高,使供给函数变为Q s =-5+5P。求出相应的均衡价格P e 和均衡数量Q e 。
【单选题】The policeman warned the driver _______too fast. It was very dangerous.
A.
to drive
B.
not to drive
C.
driving
D.
not driving
【判断题】The driver repeated that he should have kept in touch because he was very regretful.
A.
正确
B.
错误
【简答题】已知某一时期内某商品的需求函数为Q d =50-5P,供给函数为Q s =-10+5P。 ( 1 )求均衡价格P e ,和均衡数量Q e ,并作出几何图形 (2)假定供给函数不变,由于消费者的收入水平提高,需求函数变为Q d =60-5P求出相应的均衡价格 P e ,和均衡数量 Q e ,并作出几何图形。 (3)假定需求函数不变,由于生产技术水平提高,供给函数变为Q s =-5+5P。求出相应的均...
【简答题】work we eat lunch the can.
【简答题】The driver was very __________ (thank) to the policeman for his help.
【单选题】Since there was very heavy traffic on the main road, the driver took a ____street.
A.
wide
B.
single
C.
side
D.
near
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