题目内容
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提问人：网友pikerbright
发布时间：2022-01-07
[主观题]
Ech plntndniml by nturl tendency, ______ fr more seedsnd eggsnd seedlingsnEch plntndniml b
y nturl tendency, ______ fr more seedsnd eggsnd seedlingsnd young, thn is necessry to mintin ______ popultion.is to produce ... their B．produces ... its C．produces their D．produce... their
A．is to produc
E．．． their
B．produces ．．． its
C．produces their
D．produc
E．．． their
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