問題詳情

    Do you think it ever will be possible for people to live on planets such as Mars? In the __26__, colonies in space were possible only in science fiction stories. Today, however, we are __27__ with ways to build real space colonies. Many scientists actually consider __28__ possible that people will live far from the Earth __29__ in the future. The Environment Research Laboratory at the University of Arizona, for example, is one place that designs biospheres which could allow people to live on other __30__.
26.
(A) meantime
(B) present
(C) future
(D) past

參考答案

答案：D[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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