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Multiple choice questions 多項(xiàng)選擇題
Choose the correct answers to the following questions.
Comprehension 理解
1，What happens if you shout on a mountainside?
a.You will be able to measure distance.
b.Nothing.
c.It will take a long time for an echo to come back.
d.You will hear an echo.
2，You can measure the depth of the sea by ____.
a.shouting so you get back an echo
b.tapping on the hull of a ship
c.working out how long it takes to get an echo from the sea bottom
d.calculating the reflection
3，The echo-location principle means you can even ____.
a.locate and distinguish different species of fish
b.hear a fish's echo
c.improve the apparatus now in use
d.easily catch different species of fish
4，Bats use echo-location to ____.
a.see where they're going
b.avoid bumping into things
c.avoid flying insects
d.emit squeaks
Structure 句型
1，Not ____sound made by animals serves aslanguage.(l.1)
a.every
b.each
c.the whole
d.the entire
2，We have only to turn to that extraordinarydiscovery of echo-location in bats to see a case____the voice plays a strictly utilitarian role.(11.1-2)
a.which
b.where
c.when
d.why
3，____ he shout in the vicinity of a wall, an echo will come back.(1.4)
a.Should
b.If
c.When
d.Though
4，____ the echo-sounding apparatus was born.(11.7-8)
a.Such
b.The way
c.That's how
d.Like this
Vocabulary 詞匯
1，The voice plays a strictly ____ role.(1.2)
a.secondary
b.important
c.usual
d.practical
2，A sound made by ____ the hull of a ship - (11.5-6)
a.hitting
b.knocking
c.beating
d.bashing
3，The sound varies ____the size and nature of the object.(11.8-9)
a.depending on
b.relating to
c.influencing
d.by
4，A ____ of fish will do this.(1.9)
a.class
b.herd
c.school
d.flock
Multiple choice questions 多項(xiàng)選擇題
Choose the correct answers to the following questions.
Comprehension 理解
1，What happens if you shout on a mountainside?
a.You will be able to measure distance.
b.Nothing.
c.It will take a long time for an echo to come back.
d.You will hear an echo.
2，You can measure the depth of the sea by ____.
a.shouting so you get back an echo
b.tapping on the hull of a ship
c.working out how long it takes to get an echo from the sea bottom
d.calculating the reflection
3，The echo-location principle means you can even ____.
a.locate and distinguish different species of fish
b.hear a fish's echo
c.improve the apparatus now in use
d.easily catch different species of fish
4，Bats use echo-location to ____.
a.see where they're going
b.avoid bumping into things
c.avoid flying insects
d.emit squeaks
Structure 句型
1，Not ____sound made by animals serves aslanguage.(l.1)
a.every
b.each
c.the whole
d.the entire
2，We have only to turn to that extraordinarydiscovery of echo-location in bats to see a case____the voice plays a strictly utilitarian role.(11.1-2)
a.which
b.where
c.when
d.why
3，____ he shout in the vicinity of a wall, an echo will come back.(1.4)
a.Should
b.If
c.When
d.Though
4，____ the echo-sounding apparatus was born.(11.7-8)
a.Such
b.The way
c.That's how
d.Like this
Vocabulary 詞匯
1，The voice plays a strictly ____ role.(1.2)
a.secondary
b.important
c.usual
d.practical
2，A sound made by ____ the hull of a ship - (11.5-6)
a.hitting
b.knocking
c.beating
d.bashing
3，The sound varies ____the size and nature of the object.(11.8-9)
a.depending on
b.relating to
c.influencing
d.by
4，A ____ of fish will do this.(1.9)
a.class
b.herd
c.school
d.flock