1.How many people are being threatened by coastal flooding now?
A.About 15 million. B.About 50 thousand.
C.About 50 million. D.About 150 million.
提示:第一段的第一句提到2070年受威胁的人口将增长3倍多,而在第四段提到2070年将有约一亿五千万人口受到洪水的威胁,用一亿五千万除以3,可知。
答案:C
2.The underlined word “vulnerable” in Paragraph 2 most probably means “ ”.
A.easy to protect B.easy to attack
C.already flood D.already in ruins
提示:由该词前面的build defenses(保卫) for(为……做好防范工作)可推知vulnerable的意思是“易受到袭击的”。
答案:B
3.From the passage,we know that .
A.Angel Gurria will be absent from the conference in Bali
B.Angel Gurria’s office is in Bali,Indonesia
C.there is only one coastal flood every century
D.the rise of sea level is mainly caused by climate change
提示:从第一段可知,造成海平面上升的主要原因是气候变化。
答案:D