【題目】Television is more than an electronic equipment; it _____ a powerful tool for communication.

A.was becomingB.has becomeC.had becomeD.will become

【答案】B

【解析】

考查時(shí)態(tài)。句意: 電視不僅僅是一種電子設(shè)備； 它已成為強(qiáng)大的交流工具。根據(jù)前文的is可知本句應(yīng)該用現(xiàn)在時(shí)。根據(jù)句意，這里表達(dá)的是電視“已經(jīng)成為”強(qiáng)大的交流工具，是過去發(fā)生的事到現(xiàn)在造成的結(jié)果，所以用現(xiàn)在完成時(shí)，故選B項(xiàng)。

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