By sucking sap from the young twigs of the hemlock tree, tree growth is retarded by the woolly adelgid, causing needles to change color from deep green to grayish green and to drop prematurely.
A.tree growth is retarded by the woolly adelgid, causing needles to change color from deep green to grayish green and to drop
B.tree growth is retarded by the woolly adelgid, and this causes the color of needles to change from deep green to grayish green, and their dropping
C.the woolly adelgid retards tree growth, which causes needles to change color from deep green to grayish green, and dropping
D.the woolly adelgid retards tree growth, causing needles to change color from deep green to grayish green and to drop
E.the woolly adelgid retards tree growth, and this causes the color of needles to change from deep green to grayish green, and the their dropping
今天在整理晚上要討論的 gwd , 忽然看到這道題大喜 ^^
狠漂亮的一題吧 ;) 大家好好體會喔.....不過好像大家都沒有問題 呵呵~
那很棒 拍拍手 ETS 我們來啦