This telescope is used for the ___ of distant stars.

时间:2021-11-30 13:21来源:未知作者:admin 点击: 次

9：This telescope is used for the ___ of distant stars. A：investigation B：watching C：observation D：discovery

9：This telescope is used for the ___ of distant stars.

A：investigation

B：watching

C：observation

D：discovery

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