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【单选题】
钨灯可作为( )光谱分析的光源A.
紫外原子光谱
B.
紫外分子光谱
C.
红外分子光谱
D.
可见分子光谱
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举一反三
【简答题】A．Developing a functional organizational structure in the man's company. B．Developing the business of the man's company. C．Developing the product of the man's company. D．Developing the man's ability t...
【单选题】China is a_____country____the third world.
A.
developing,belonging
B.
developed,belonging to
C.
developing,belonging to
D.
developed,belongs to
【单选题】AIDS is developing fast in ______.
A.
Europe
B.
North Africa
C.
developing countries
D.
rich countries
【单选题】China is a _____ country, but America is a _____ country. [ ]
A.
developing; developing
B.
developed; developed
C.
developing; developed
D.
developed; developing
【单选题】Japan is a _____ country while China is a _____ country. [ ]
A.
developing; developed
B.
developing; developing
C.
developed; developing
D.
developed; developed
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