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D.The Life Cycle of Australia's Bogong Moths Is a Wonder
C.World's Insects'Migrating Capabilities Are Uncovered
B.Australian Bogong Moths Use the Stars to Guide Them
A.The Disappearance of the Bogong Moth Is Mysterious
31.What can be the best title of the text
A.Doubtful.
C.The intensity of gravity.
C.To find food.
A.To reproduce
under the stars.
B.Amused.
A.The route of moth migration.
29.What do the tests reveal in paragraph 3
will help them find ways to protect the moths.
新三米语集合斯（生12珠）
30.How do experts feel about the moths'navigating ability
28.Why do Bogong moths fly to mountain caves each spring
C.Astonished.
D.The secret of moths'migration.
B.The result of the previous study
D.To avoid enemies.
B.To escape heat.
99.5%since 2017,and the moths are now considered endangered.The scientists hope their research
Unfortunately,Bogong moths are in trouble.The numbers of Bogong moths have dropped by
One expert said it was"mind-blowing"that the moths could do such complicated tasks.
when clouds block stars.Despite their tiny brains,their ability to process complex clues amazed scientists.
were using the stars as a guide.
night sky on the area's ceiling.Sure enough,the moths flew in the correct direction for their migration.
skies,the Milky Way shines brightly,offering potential guidance.
D.Incomprehensible
The moths likely use the bright Milky Way for navigation,relying on the magnetic field as a backup
night sky.The moths became disoriented and didn't know which way to fly.This showed that the moths
Then the researchers mixed up the stars on the ceiling so that they no longer represented a real
When the researchers turned the image,the moths also turned so that they were still lined up correctly
blocked the field using a special electronic device.The scientists then projected images of the starry
freely but not escape.To make sure the moths weren't being guided by the Earth's magnetic field,they
To test this,researchers caught 400 moths and placed them in a"flight area"where they could fly
Earth's magnetic (field,but Warrant wondered if stars played a role.In remote Australian
Eric Warrant and his team discovered the moths'secret.Previous studies linked their migration to
Scientists puzzled over how young moths,with no prior experience,navigate (this journey.Text 5
W:I'd like to transfer to the human resources department.
M:Really I thought you were happy with your job in accounting.
W:Honestly,the pay's amazing and the tasks match my strengths perfectly,but constantly burning midnight oil is
really killing me.
Text 6
M:Hello
W:Hi Alex,it's Jenny.I saw your message asking about the trip to Maple Lake Park,so I want to share some
details.
M:Thanks for calling me back!
W:Do you know the best route
M:That's exactly why I called!So,which highway is the fastest
W:Well,Highway 7 is scenic.Highway 9 has little traffic.But honestly,the quickest way is to take Highway 15.
M:Great tip.By the way,are you available to join us on the 20th
W:Wish I could!Already busy that day though.
M:Okay then.
Text 7
M:Hello,I'm here to pick up my clothes.I was having two suits cleaned and ironed.Are they finished yet Here
is my claim card for the clothes.
W:Let me see...the card number says 34.Oh,I have just finished ironing them.That will be $18.5.How will
you be paying,cash or credit
M:Wait a minute,these brown ones are not my suits.I hope you didn't give mine to someone else by mistake!
W:Sorry,sir.I misread the card number.I thought it said 34 but actually it says 43.Just a minute and let me get
your real clothes.The total comes to $16.5 then.
Text 8
W:I just heard that you will be taking the 2 o'clock flight to attend the trade exhibition in New York.I'm going to
visit my son there today and we will be on the same flight.Would you like to share a taxi to the airport
M:That sounds great,but I can't.I have to deliver this urgent market analysis report to Mr.Smith at our home office
before his 10 o'clock meeting.He oversees all branch managers in the U.S.and Canada,so accuracy is critical
here.I was thinking about going to the airport straight from there.If you'd like,I could meet you at the airport.
W:In that case,how about meeting at 12 o'clock to have lunch together before our flight
M:That sounds like a plan.I'll see you in the coffee shop on the second floor at noon,OK
W:OK.See you then.
Text 9
W:Hey,Chris.Why do you look so down and sit in the corner like that Did something happen with your project
M:No,Lily.I failed to deliver the group project presentation well for our group project.
W:That's too bad.You've put a lot of effort into it,so don't be too hard on yourself.
M:Thanks for the kind words.Well,Emily always does well in presentations.Maybe I should follow her
preparation methods or join a workshop.
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