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必修④
Module 2
单元主题语篇训练
I.阅读理解
Can ants help us solve our own traffic problems?
Anyone who commutes (by car knows:Not likely.That's because when it comes to getting
that traffic jams are an unavoidable part of life.But:from point A to point B as fast as possible,human
humans are not alone in facing potential jams.
drivers put their own goals first.Individual ants have
Ants also commute-between their nests and:to be more cooperative in order to feed the colony.
sources of food.The survival of their colonies But the research could be useful in improving traffic
depends on doing this efficiently.
flow for self-driving cars,which can be designed to
When humans commute,there's a point at:be less like selfish humans-and more like ants.
which cars become dense(稠密的)enough to slow:l.What does the underlined word“this”in
down the flow of traffic,causing a jam.Researchers
Paragraph 2 refer to?
wanted to know if ants on the move could also get
A.Surviving.
B.Commuting.
stuck.So they regulated traffic density by
C.Finding food.
D.Avoiding jams.
constructing bridges of various widths between a:2.How did the researchers control the traffic density
colony of Argentine ants and a source of food.Then
of the commuting ants?
they waited and watched,trying to find out at what:
A.Through closer observation.
point they were going to have a traffic jam.
B.By regulating their numbers.
But it appeared that that never happened.They
C.By finding out the dense points.
always managed to avoid a traffic jam.The flow of
D.By controlling the widths of their path.
ants did increase in the beginning as ants started to3.How can ants avoid traffic jams according to the
fill the bridge and then levelled off at high density.
research?
But it never slowed down or stopped,even when the
A.They follow a special route.
bridge was nearly filled with ants.
B.They make their flow steady at high density.
The researchers then took a closer look at how
C.They never stop or slow down on the way.
the behav