It is a very big opportunity for human； the challenge is（）it wisely. - 播寶寶

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題目：It is a very big opportunity for human； the challenge is（）it wisely.

騰訊雲服務器2核/2G/3M（61元/首年） 騰訊輕量雲2核/2G/4M（99元/年續費同價）騰訊雲服務器老用戶專享

It is a very big opportunity for human； the challenge is（）it wisely.

A.use

B.to use

C.used

D.to be used

正確答案：to use

關鍵字：智慧樹

相關試題

1.In today’s aerospace and aeronautics industry， a complete aircraft may be designed without a CAD/CAM system.。 2.Generally speaking， a CAD system is an analytic tool for design.。 3.Advanced CAD/CAM systems include not only solid geometry modeling capability but also NC verification programs.。 4.To avoid accidents， read safety guidelines and related（）carefully and operate the system correctly. 5.If the NC machine tool is used in a wrong manner， it will（）serious injuries and machine damages.

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