2016年12月英语四级考试全真模考练习试卷四_第6页

　　Heavy falls of ash and rock fragments occurred over all?

　　of the inhabited parts of Montserrat. The ashfall deposit?

　　was 115 mm in thick at Lime Kiln Bay. The ash burden 71.____?

　　resulted from the collapse of several wooden buildings in 72.____?

　　the Salem area. Vegetation damage was extensively with 73.____?

　　downed trees and branches broken from many others.

　　Many birds were killed by the ash or trapped live in it. 74.____?

　　Ashfall from this event was reported on the islands of?

　　Nevis, St Kitts, Anguilla, and St Maarten, and resulted in?

　　the close of several airports. At 09:10 on 13 July an 75.____?

　　explosive eruption occurred, followed 2 hours of very 76.____?

　　low seismic activity. The Washington VAAC estimated a ?

　　cloud height of ~12 km a.s.l.During a helicopter

　　reconnaissance flight in the morning 77.____?

　　of 14 July, a large collapse scar was seen in the lava?

　　dome directed down the Tar River Valley. The Tar River?

　　Valley was extensively modified also eroded with a deep 78.____?

　　canyon gouged the pyroclastic flows. The fan had been 79.____?

　　extended eastwards into the sea and cet6w.com the?

　　coast. The area the north of the Tar River Valley 80.____?

　　extending to Killyhawk Ghaut was devastated.

　　答案：71. 去掉in。“多宽多厚”一般用“×××meter wide /thick”表示。

　　72. 把from改成 in。result from 后接原因，而result in 后才接结果。

　　73. 把extensively 改成extensive。extensive在这里做was的表语，故用形容词形式。

　　74. 把live改成alive。alive, live都有“活的，活着”之义，但alive一般做表语或后置定语，live一般只做前置定语。Alive在本句中做主语的补语。

　　75. 把close改成closure。the …of 结构中间应该用名词。

　　76. 把followed改following。following在此做伴随状语，如果用followed做并列谓语必须在此词前加and 。

　　77. 把in改成on。表示具体的一天的早上，下午，晚上用介词on。一般用in。

　　78. 把also改成and。also只是副词，不能连接两个谓语，而and是连词，可以起连词作用。

　　79. 在gouged 的后面加 by，表被动，“被火山熔岩凿出一个大峡谷”。

　　80. 去掉 north前的the。north在这里用作副词。