新概念英语第四册选择题答案,新概念英语第四册选择题：Exploringthesea-floor

【#新概念英语# 导语】新概念英语一共144课。整本书无论是语法还是词汇，题材还是语句，都有其出彩之处。正是因为如此，新概念英语更是经久不衰，深受广大英语学习者的喜爱。®文档大全网为您整理了“Exploring the sea-floor”，希望可以帮助到您！

Multiple choice questions 多项选择题

Choose the correct answers to the following questions.

Comprehension 理解

1，A hundred years ago, probably no one thought the deep ocean floor was ____.

a.two dimensional

b.a hazard for navigation

c.irregular

d.flat

2，The H.M.S. Challenger expedition ____.

a.gave the study of the ocean floor scientific respectability

b.took a sounding of over 2,400 fathoms

c.was devoted to dredging the ocean

d.was devoted to laying submarine cables

3，Continents and islands are standing on ____.

a.the topography of the sea bed

b.the earth's crust

c.the greater part of the earth's surface

d.superimposed features of the continents

4，The continental slope ____.

a.starts immediately at the seashore

b.consists entirely of steep, probably vertical cliffs

c.ends at the 100-fathom mark

d.gradually stretches out to the sea bed

Structure 句型

1，It was only____1869 that H.M.S. Porcupine obtained soundings. (11.5-6)

a.on

b.at

c.until

d.in

2，The sea floor became a subject ____studying.

a.worthy

b.worth

c.is worth

d.worths

3，Submarine cables were ____across the Atlantic. (1.9)

a.lying

b.lain

c.laid

d.lied

4，It is ____to regard the sea-floor as the earth's crust. (1.14)

a.less reasonable

b.enough reasonable

c.reasonable enough

d.so reasonable

Vocabulary 词汇

1，The Royal Society was allowed the ____of the H.M.S. Porcupine. (11.5-6)

a.use

b.loan

c.rental

d.exploration

2，A burst of activity ____with the laying of submarine cables … (1.9)

a.coupled

b.communicated

c.connected

d.reckoned

3，——together with the islands and other ____of the oceans. (1.15)

a.studies

b.observations

c.characters

d.characteristics

4，——after being ____from the continental masses. (11.23-24)

a.worn down

b.worn through

c.worn away

d.worn out

新概念英语第四册选择题：Exploring the sea-floor.doc

本文来源：https://www.wddqw.com/VCwu.html