In the late 1970’s and early 1980’s, the United States developed the reusable space shuttle______to space cheaper and easier.

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问题 In the late 1970’s and early 1980’s, the United States developed the reusable space shuttle______to space cheaper and easier.

选项 A、to make access
B、and making access
C、which made accessible
D、and made accessible

答案A

解析 本题考查动词不定式。分析句子可知,当时美国开发可重复使用的航天飞机的目的是使进入太空变得花费更少、更容易。只有动词不定式可以表示目的,故答案为[A]项。make access to sth.+adj.为固定结构,意为“使接近/进入……更……”,to make access在此相当于which made access。
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