Some people hold the view that the new machine is advanced, while others are still skeptical _____ whether it is of practical use.
A．withB．a(chǎn)boutC．forD．on
B

試題分析：固定搭配be skeptical about sth，意思是對……疑惑，故選B。 
點(diǎn)評：這些固定用法平時要多歸納、總結(jié)和記憶。
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Outlines
Details
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●Creativity is more than just a 小題1:   given in the dictionary.
●It is an idea, a process, a thought, or a state of mind.
●It is natural and unique to each individual.
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