大学英语四六级考试改错专项训练题.docVIP

大学英语四六级考试改错专项训练题 （1） 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 1.____ resulted from the collapse of several wooden buildings in 2.____ the Salem area. Vegetation damage was extensively with 3.____ downed trees and branches broken from many others.  Many birds were killed by the ash or trapped live in it. 4.____ Ashfall fromthis 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 5.____ explosive eruption occurred, followed 2 hours of very 6.____ low seismic activity. The Washington VAAC estimated a cloud height of ~12 km a.s.l. During a helicopter reconnaissance flight in the morning 7.____ 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 8.____ canyon gouged the pyroclastic flows. The fan had been 9.____ extended eastwards into the sea and northwards along the coast. The area the north of the Tar River Valley 10.____ extending to Killyhawk Ghaut was devastated. （2） Childhood is a time when there are few responsibilities to make life difficult. If a child has good parents, he is fed, looked after and loved, what he may do, It is 11. ____ improbable that he will ever again in his life be given so much without having to do anything in turn. In addition, 12. ____ life is always presenting new things to the child—things that have lost their interesting for older peop