摘要：7．The population of Africa is so rapidly as to cause concern of the whole world. A．expanding B．stretching C．extending D．spreading 答案与解析:A expand不仅指尺寸的增加.还可指范围和体积的扩大.stretch一般指由曲变直.由短变长的伸展,extend指空间范围的扩大或长宽的向外延伸.也可指时间的延长,spread一般指向四面八方扩大或传播.
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The population of Africa is ________ so rapidly as to cause concern of the whole world.
A. expanding B. circulating C. exporting D. spreading
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The population of Africa is________so rapidly as to cause concern of the whole world.
A．expanding B．stretching
C．extending D．spreading
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The population of Africa is ________ so rapidly as to cause concern of the whole world.
- A.expanding
- B.circulating
- C.exporting
- D.spreading