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【单选题】
I requested he ______ his customer tea.A.
serve
B.
would serve
C.
served
D.
to serve
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【单选题】While the roots of social psychology lie in the intellectual soil of the whole western tradition, its present flowering is recognized to be characteristically an American phenomenon. One reason for th...
A.
because its roots are intellectually western in origin.
B.
as a direct response to the great depression.
C.
to meet the threat of Adolf Hitler and his policy of mass genocide.
D.
because of its pragmatic traditions for dealing with social problems.
【单选题】目前很多市场上的汽车，80%的材料使用了可再生物质。在时尚界中，也有了跟报废汽车结合的产物，瑞士两兄弟Markus和Daniel Freitag设计的FREITAG背包，就使用了集装箱卡车车厢涂焦油的防水布、汽车安全带以及报废自行车轮胎的内胎。这种充满创意的资源再利用也是一种为环境保护做贡献的途径。 对这段文字概括最准确的是( )。
A.
现在已经全部用可再生物质生产汽车了
B.
可再生材料及物质用途广泛
C.
瑞士两兄弟Markus和Daniel Freitag设计的产品都是用报废材料制作的
D.
时尚界使用的产品都很有创意
【简答题】The old man hid the treasure among the roots of the trees.
【简答题】Write a C Program to Find all Roots of a Quadratic Equation. This program accepts coefficients of a quadratic equation from the user and displays the roots (both real and complex roots depending upon ...
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