Astronomers and scientists thi
2019-08-12 11:59 自考365
Astronomers and scientists think that a black hole is a region of space ____ which matter has fallen and ____ which nothing can escape.
A、into; from
B、towards; towards
C、out of; from
D、through; through
A、into; from
B、towards; towards
C、out of; from
D、through; through
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