A team of scientists has________.A.erected a pres
已帮助 人
A team of scientists has________.
A.erected a pressure-releasing pipe in the lake
B.identified the gases at the bottom of the lake
C.built a beautiful fountain near the lakes
D.removed all dangerous gases from the lakes
-
答案：A
文章第四段第三句提到科学家们“stood a 672-foot plastic pipe in the middle of the lake ” , “ erect”和“stand”为同义词，表示“树立、立起”。