Nowadays，in________world of constant change，young engineers have to continuously upgrade themselves to deal with________increasing challenge in their career.

A．a(chǎn)；the 　　　　　　　　　　　 B．the；the

C．the；a 　　　　　　　　　　　 D．a(chǎn)；a

 

A　

 

考查冠詞。world表示“獨(dú)一無二的世界”時(shí)，之前要加the；如果后面有限定它的內(nèi)容，就要用a，表示“一個什么樣的世界”。the increasing challenge日益增長的挑戰(zhàn)。

 

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