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题目内容双击单词支持查询和收藏哦～
Whereas ground-based interferometers detect astrophysical events briefly and infrequently, space-based ones should hear a ________of signals as soon as they turn on, including a constant chorus from binary white dwarfs in our galaxy.
- A.smattering
- B.plethora
- C.profusion
- D.trickle
- E.range
- F.hum
B,C显示答案
以上解析由 考满分老师提供。
