标题: SC比较中的省略问题 [打印本页] 作者: CR做的我想吐 时间: 2018-12-6 14:49 标题: SC比较中的省略问题 Scientists have found signs that moving water changed the chemical makeup of the surface of Mars in recent eras, therefore concluding that its crust is harboring up to three times as much water than was previously thought.
Aeras, therefore concluding that its crust is harboring up to three times as much water than was
Beras, therefore concluding that the planet's crust harbors up to three times as much water or more as was
Ceras and have therefore concluded that the planet's crust harbors up to three times as much water as
Deras and they have concluded, therefore, that its crust harbors up to three times as much water, or more, than
Eeras and concluded, therefore, that the planet's crust is harboring up to three times more water as was
Scientists have found signs that moving water changed the chemical makeup of the surface of Mars in recent eras, therefore concluding that the planet's crust harbors up to three times as much water or more as was（？） previously thought.