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【单选题】Water— the Issue of This Century The world is running short of fresh water．Populations are growing bigger and thirstier(渴的), with the result that fresh water is becoming increasingly scarce(缺乏)．Half t...
A.
Right
B.
Wrong
C.
Not mentioned
【判断题】市场定位就是根据所选定目标市场上的竞争者产品所处的位置和企业自身条件，从各方面为企业和产品创造一定的特色，塑造并树立一定的市场形象，以求在目标顾客心目中形成一种特殊的偏爱。
A.
正确
B.
错误
【单选题】Text 2 We recently sailed with our research ship through the Red Sea to the Indian Ocean where we did research work for about a year. Our main objectives (目标) were the little-known Maldi...
A.
the coral reef exists in regions with warm climate
B.
the coral reef provides favorable living conditions for them
C.
the creatures are away from the danger of being eaten by sharks
D.
most sea creatures feed on the colourful coral