崇明岛位于长江入海口,是我国的第三大岛,也是一个面积不断增大的沙岛。读“崇明岛东滩成陆线和大堤随时间的变化图”,回答下列各题:崇明岛东滩陆地面积扩大的大致方向和原因是 ( )
A.向东北流水沉积 | B.向西南海浪堆积 |
C.向东地壳抬升 | D.向南流水侵蚀 |
自1998年的新大堤建成后就几乎没有再进行造堤工程,崇明岛东滩的潮滩淤积也有所减缓,其原因是 ( )
①不断实施围垦造陆 ②长江三峡工程的建设
③长江水流速度明显加快 ④长江中上游防护林的建设
A.①③ | B.②④ | C.②③ | D.①④ |
The most important _____ of his speech at the G20 summit was that we should all unite to fight against the finanical.
A.element | B.spot | C.view | D.point |
He directed exposure to pigs,otherwise he_______pig flu.
A.couldn’t get | B.wouldn’t have gotten | C.couldn’t have got | D.woud get |
In no time _______ me if he had any further information for pig flu..
A.will he declare | B.he would notice | C.would he notify | D.he will note |
These plastic flowers look so _____ that many people think they are real,____they sell badly for the finanical crisis.
A.beautiful,and | B.natural;while | C.artificial;though | D.real; so |
-----Hurry up. Xiao Shenyang is coming.
------ Oh, I was afraid that we_____.
A.already miss him | B.had already missed him |
C.will miss him already | D.have already missed him |