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【判断题】
In the absence of any other distortion, a tariff will create a distortion, but a government subsidy will not create a distortion.A.
正确
B.
错误
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【单选题】按照观察过程的结构性质与控制程度,可以将观察分为( )。
A.
参与观察非参与观察
B.
正式观察与非正式观察
C.
直接观察与间接观察
D.
描述观察、取样观察与评定观察
【多选题】Read the following paragraph and choose those correct statements. In recent decades, cities have grown so large that now about 50% of the Earth's population lives in (城市的) areas. There are sever...
A.
This is a cause paragraph. It explains three reasons for ization.
B.
One of the causes of ization is "factory jobs attracted people".
C.
One of the causes of ization is "places of leisure, entertainment, and culture made city life appear more interesting".
D.
One of the causes of ization is "better schools attracted families to move to the city".
【简答题】The more I look 1 me, the more self-employment seems to be the way to go for many people. I’m not sure if this is just my 2 or it's indeed a global phenomenon, so I'd like to discuss it with you. In m...
【简答题】Scientists today are greater effort to study ocean currents(洋流). Most do it using satellites and other high-tech equipment. However, ocean expert Curtis Ebbesmeyer does it in a special way-by s...
【单选题】按照观察过程的结构性质与控制程度,可以将观察分为( )。
A.
参与观察与非参与观察
B.
正式观察与非正式观察
C.
直接观察与间接观察
D.
描述观察、取样观察与评定观察
【单选题】— Why do you look sad? — There are so many problems ________. [ ]
A.
remaining to settle
B.
remained settling
C.
remaining to be settled
D.
remained to be settled
【简答题】Text Trouble Cell phone calling plans that allow users to send unlimited text messages are popular with s across the United States. In 2008, an average American sent 2,272 text messages each ...
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