题目内容

When Armida Armato’s daughter, Alexia, came home from school one day last year keen to go on a school trip to Ecuador, she wasn’t too sure how to feel. She was happy that her daughter could experience something she never did as a teen but was fearful of letting her travel to such a remote part of the world.

Alexia was 16 at the time, a student at Westwood High School. The school sponsored a humanitarian trip for 26 students and two teachers to spend 18 days living in a mountain village to build a one-room school. Even though Armato trusted her daughter, the other students and the teachers, she was worried about the side effects from the travel vaccines, possible accidents, and medical care.

Now that Alexia was home, Armato said she saw her daughter’s new maturity, greater confidence and independence. “This is the best thing I ever did,” Alexia said. “The experience was so eye-opening and life-changing. You’re with people who are not as lucky as you are. They live in very poor conditions but they’re so happy and outgoing. You say, ‘My God. I’m taking everything for granted back home.’”

She said they built a one-room school from scratch with no mechanical cement mixers. They used their hands, shovels and basic tools. She and another student lived with a local family in a small village about eight hours outside the capital, Quito. Despite the initial strangeness and knowing only basic Spanish, she said they grew very close and felt like a family.

Every year, groups of students at Montreal High School like Alexia pack their bags and fly off with classmates and teachers to developing countries where they volunteer for a variety of projects.

“Armato’s worries are very common among parents,” says Bill Nevin, a teacher at St. George’s High School. He organizes a humanitarian rip to India to the Sheela Bal Bhavan orphanage and says the three biggest fears families have are health, security and contact.

1.When hearing the news that her daughter would go on a school trip to Ecuador, Armato was _______.

A. proud and happy

B. supportive but concerned

C. fearful and nervous

D. excited but puzzled

2.The underlined phrase “from scratch” in Paragraph 4 probably means “______”.

A. having great help

B. using high technology

C. ending up in failure

D. starting from the beginning

3.What would be the best title for the text?

A. Volunteering helps students grow and develop.

B. School trips make parents worried about their children.

C. Ecuador is the most attractive travel destination in the world.

D. Brave Alexia dreams to work in Ecuador one day.

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Life in the Clear Transparent animals let light pass through their bodies the same way light passes through a window.These animals typically live between the surface of the ocean and a depth of about 3,300 feet—as far as most light can reach.Most of them are extremely delicate and can be damaged by a simple touch.Sonke Johnsen,a scientist in biology,says,“These animals live through their life alone.They never touch anything unless they’re eating it,or unless something is eating them.”

And they are as clear as glass.How does an animal become see-through?It’s trickier than you might think.

The objects around you are visible because they interact with light.Light typically travels in a straight line.But some materials slow and scatter(散射)light,bouncing it away from its original path.Others absorb light,stopping it dead in its tracks.Both scattering and absorption make an object look different from other objects around it,so you can see it easily.

But a transparent object doesn’t absorb or scatter light,at least not very much.Light can pass through it without bending or stopping.That means a transparent object doesn’t look very different from the surrounding air or water.You don’t see it—you see the things behind it.

To become transparent,an animal needs to keep its body from absorbing or scattering light.Living materials can stop light because they contain pigments(色素)that absorb specific colors of light.But a transparent animal doesn’t have pigments,so its tissues won’t absorb light.According to Johnsen,avoiding absorption is actually easy.The real challenge is preventing light from scattering.

Animals are built of many different materials—skin,fat,and more—and light moves through each at a different speed.Every time light moves into a material with a new speed,it bends and scatters.Transparent animals use different tricks to fight scattering.Some animals are simply very small or extremely flat.Without much tissue to scatter light,it is easier to be see-through.Others build a large,clear mass of non-living jelly-like(果冻状的)material and spread themselves over it.

Larger transparent animals have the biggest challenge,because they have to make all the different tissues in their bodies slow down light exactly as much as water does.They need to look uniform.But how they’re doing it is still unknown.One thing is clear for these larger animals,staying transparent is an active process.When they die,they turn a non-transparent milky white.

1.According to Paragraph 1,transparent animals

A. stay in groups

B. can be easily damaged

C. appear only in deep ocean

D. are beautiful creatures

2.The underlined word“dead”in Paragraph 3 means

A. silently

B. gradually

C. regularly

D. completely

【小题3One way for an animal to become transparent is to

A. change the direction of light travel

B. gather materials to scatter light

C. avoid the absorption of light

D. grow bigger to stop light

3.The last paragraph tells us that larger transparent animals

A. move more slowly in deep water

B. stay see-through even after death

C. produce more tissues for their survival

D. take effective action to reduce light spreading

A man once said how useless it was to put advertisements in the newspapers. “last week,” said he, “my umbrella was stolen from a London church. As it was a present, I spent twice its worth in advertising, but didn't get it back. ”

“How did you write your advertisement?” asked one of the listeners, a merchant.

“Here it is, said the man, taking out of his pocket a slip cut from a newspaper. The other man took it and read, “Lost from the City Church last Sunday evening, a black silk umbrella. The gentleman who finds it will receive ten shillings on leaving it at No. 10 Broad Street. ”

“Now, “Said the merchant, “I often advertise, and find that it pays me well. But the way in which an advertisement is expressed is of extreme importance. Let us try for your umbrella again, and if it fails, I'll buy you a new one.

The merchant then took a slip of paper out of his pocket and wrote: “If the man who was seen to take an umbrella from the City Church last Sunday evening doesn't wish to get into trouble, he will return the umbrella to No. 10 Broad Street. He is well known. ”

This appeared in the paper, and on the following morning, the man was astonished when he opened the front door. In the doorway lay at least twelve umbrellas of all sizes and colours that had been thrown, and his own was among them. Many of them had notes fastened to them saying that they had been taken by mistake, and begging the loser not to say anything about the matter.

1.The result of the first advertisement was that ______________.

A. the umbrella was found somewhere near the church

B. the man got his umbrella back

C. nobody found the missing umbrella

D. the man wasted some money advertising

2.The merchant suggested that the man should _______________.

A. buy a new umbrella

B. report the police

C. go on looking for his umbrella

D. write another and better advertisement

3.“If it fails, I’ll buy you a new one,” suggested that the merchant ______________.

A. wanted to buy him a new umbrella

B. didn’t know what to do

C. was rich enough to buy one

D. was quite sure of success

4.The story is mainly about _________________.

A. a useless advertisement

B. how to make an effective advertisement

C. what the merchant did for the umbrella owner

D. how the man lost and found his umbrella

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