能，会，可以：can, (would) be able to, have thechance/opportunity to do.., get to do

应该：should, be supposed to, shall, have to, must,be required to, it is necessary for sb to

上升，增加：(vi.)increase, go up, rise, (vt.) increase,raise (n.) growth, rise, increase.

下降，减少/小：(vt.) decrease, reduce, lower (vi.) decrease,fall, drop, go/come down, decline. (n.) fall, decrease, decline, drop

变：change, alter, become(different/big/small/..), get, grow

知道，了解，意识到：know, be aware/concious of, realize, getinformation about雅思和托福哪个好考

证实，表明：show, suggest, indicate, make it clear that

很大程度上，基本上：greatly, considerably, enormously,significantly, basically

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