8． A)for B) about C) on D) from
Some people blame the disappearances__8__supernatural forces．
8． C．分析：借助搭配结构 (blame the disappearance.. supernatural force)判断C是答案。
考点：考察常见动词短语。 blame ..(on, upon).. 把...归咎于..
e.g. Don't blame it on him, but on me.别怪他, 该怪我。
Blame..for..指责..造成了..
e.g. They blamed the secretary for the delay of the plan.他们怪罪秘书造成计划延误。
9．A)missing B) missed C) miss D) having missed
10．A) and B) or C) nor D) neither
It is suggested the__9__ships and planes were either transported to other times and places，kidnapped by aliens__10__ attacked by sea creatures．
9 A. 分析：根据空格语法结构特点—作定语和搭配结构词语（..ships and planes），判断A（失踪的）是答案。
考点：考察由同一词根构成的不同分词结构。 Surprised/surprising;
developing/developed;
10. B. 分析：根据句子中的结构相关词语（either）判断B（or）是答案。
考点；考察表示逻辑关系的固定搭配结构。 neither..nor../ 既不...也不...
one..another..一个...另一个...
some..others..一些...其他...
not only..but also..不但...而且...
11．A)also B) no C) more D) beside
There are__11__natural explanations，though．
11． A。 分析：根据句子逻辑语意判断A是答案。（though是答案线索）
考点：考察句子逻辑关系。12．A) which B) there C) where D) that
13．A)instead of B) except C) than D) nor
The US Navy says that the Bermuda triangle is one of two places on earth __12__a magnetic compass points towards true north__13__magnetic north．
12．C．分析：根据空格所在句子的特点：空格后是一个从句，空格前面是表示地点的词语，因此猜测C是答案。
考点：考察定语从句。 13．A． 分析：根据搭配特点—空格前后是两个同类结构，因此判断A（（不是）…（而是））是答案。
考点；考察常见介词短语结构。14．A)Similarly B) furthermore C) However D) Therefore
__14__planes and ships can lose their way if they don’t make adjustments．
14． D. 分析：借助前句句意（指南针指向的是真正的北方而不是磁场中的北方）判断D（因此）是答案。
考点；考察前后句的逻辑关系。
e.g. The moon runs around the earth. Similarly, the earth runs around the sun.
15．A) as B) for C)by D) from
The area also has changing weather and is known__15__its high waves．
15．B.分析：根据搭配结构语意判断（这个地区…大浪被闻名）B是答案。
know..as..把..看作..
know..for..因为..而了解..
Storms can turn up （出现）suddenly and destroy a plane or ship．Fast currents could then sweep away any trace of an accident．
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