I didn’t know this years ago ,but recent science ____that inharmonic marital(婚姻的) life like quarrels or fights harms one’ heart.A．showedB． is showingC．has -高中英语-n多题

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I didn’t know this years ago ,but recent science ____that inharmonic marital(婚姻的) life like quarrels or fights harms one’ heart.

A．showed

B． is showing

C．has shown

D．shows

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◎ 解析

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◎ 知识点

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