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【简答题】
( ) Photographs have such great value for many people that we are almost afraid of losing our memories if our photo albums are lost.
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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Why is its location particularly good for a telescope?
A.
It's high and dry.
B.
It's in the Southern Hemisphere.
【单选题】The VLT was the first to do which of these things?
A.
View a planet orbiting a sun in another solar system.
B.
View other planets in our solar system.
【单选题】Before the use of telescopes, what did the Milky Way look like?
A.
many small stars
B.
a smear
【单选题】Why is aig mirror helpful?
A.
It gathers more light.
B.
It allows you to see bigger objects.