新概念英語一共144課。整本書無論是語法還是詞匯，題材還是語句，都有其出彩之處。正是因?yàn)槿绱?，新概念英語更是經(jīng)久不衰，深受廣大英語學(xué)習(xí)者的喜愛。為您整理了“Exploring the sea-floor”，希望可以幫助到您！
Multiple choice questions 多項(xiàng)選擇題
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 詞匯
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
Multiple choice questions 多項(xiàng)選擇題
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 詞匯
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