题目内容
【题目】Many scientists believe that robots able to talk like humans in 50 years.
A.were
B.are
C.will be
D.have been
【答案】C
【解析】考查动词的时态。句意：许多科学家认为，五十年过后，机器人将能够像人类一样说话。描述“五十年后”将要发生的动作或状态，用一般将来时态。故选C。
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题目内容
【题目】Many scientists believe that robots able to talk like humans in 50 years.
A.were
B.are
C.will be
D.have been
【答案】C
【解析】考查动词的时态。句意：许多科学家认为，五十年过后，机器人将能够像人类一样说话。描述“五十年后”将要发生的动作或状态，用一般将来时态。故选C。