For ages, sailors have said that it is a good luck to see dolphins swimming alongside boats. Their presence meant that land is near, which will be vital informations if a boat and its crew are in danger. Some dolphins have even protected sailors which suffer shipwreck from sharks. There is no wonder that these unique and fascinating creatures have long known as our friends.
Dolphins are thought to be intelligent animals because of its quick ability to learn. They seem to communicate with each other through a combination of whistles and clicks. While scientists don’t know exact what they are talking about, it is thought that dolphins are telling each other that food is nearby, or warn each other of approaching dangerous.
Xuexiang Village, formerly known as a forestry farm, has been transformed into a booming tourist resort. 1.(locate) at the southern foot of Changbai Mountain, it has much snow. The snow here starts falling in October and begins to melt in April. A unique scene is the “snow mushrooms”, 2. are formed after snow falls onto wood piles. Together with log cabins, pine trees and snowy mountains, 3. place looks like a fairy tale world. Several decades ago, people 4.(come) here as loggers. Years of excessive logging resulted 5. a resource-shortage problem. After the natural forest protection project 6.(launch) in 1999, the forestry farm stopped logging and started to make good use of the snow to develop the tourism industry. Amateur photographers first promoted the beautiful scenery, then, with the help of the internet, it 7.(gradual) became famous and tourists began coming. 8.(sense) the new opportunities, loggers started to open family hotels and restaurants. Nearly 80 9.(family) are now involved in tourism business. “My family can make 200,000-300,000 yuan each year, which 10.(able) us to live a much better life”, said Fan, a used-to-be logger.
Jennifer was halfway down the stairs when she turned and took one last look at her room. ______ high school and going away to college was like the ______ pause at the ending of a chapter in a good book, and she was ______ to turn the page.
Jennifer went down the stairs to where her mother and father, ______ quiet, were waiting. She even felt a sense of guilt deep ______ her when she admitted to herself how longingly she had ______ getting away from her home and starting a new life in the college.
They went out through the front door. Dad put the suitcases in the back of the ______, and then came forward to hold the front door open. “Sit in the ______, dear,” her mother suggested, touching her arm gently, and Jennifer noticed that her mother was ______ one of those sad-looking smiles. In fact, she was afraid her mother might even ______ at the train station.
Her father pulled out of their driveway and Jennifer turned for one last look at the house.
They pulled up at the station then. The train was coming. There were last-minute questions, words of advice, and then ______.
“Well, I’m on my way. Don’t worry about me, everything will be OK,” Jennifer said ______.
When her father took the picture, she noticed her mother wasn’t weepy at all---the smile on her face wasn’t ______ sad-looking.
Through the window, Jennifer held ______ with her eyes as the train moved away slowly. They were standing close together, and somehow it ______ the memory of that day when she was seven-when she had persuaded them to let her ______ the big Ferris wheel(摩天轮) all by herself. She had sat still in the ______ middle of the seat as she did just now in the car, feeling ______ that even if she fell, even if the Ferris wheel itself fell, she had known they would catch her.
Suddenly she felt tears ______ her eyes. She wiped her eyes and found her parents out of ______ when she looked back again.
1.A. Finishing B. Attending C. Entering D. Continuing
2.A. frequent B. sudden C. brief D. regular
3.A. sad B. slow C. eager D. quiet
4.A. strangely B. badly C. normally D. definitely
5.A. from B. within C. into D. of
6.A. looked up to B. got used to C. got bored with D. looked forward to
7.A. seat B. wheel C. car D. driveway
8.A. middle B. back C. front D. side
9.A. flashing B. wearing C. forcing D. shaping
10.A. arrive B. escape C. faint D. cry
11.A. decisions B. hugs C. changed D. rushes
12.A. proudly B. sadly C. impatiently D. heartily
13.A. all B. even C. only D. once
14.A. it B. her C. him D. them
15.A. kept away B. stuck to C. wiped off D. brought back
16.A. ride B. catch C. play D. drive
17.A. same B. proper C. exact D. similar
18.A. afraid B. certain C. sorry D. peaceful
19.A. controlling B. rolling C. emptying D. flooding
20.A. sight B. mind C. station D. memory
Every living thing has genes. Genes carry information. 1. They make sure that humans give birth to humans and cows give birth to cows. They also make sure that a dog doesn’t give birth to a frog, or an elephant to a horse. However, genetic engineers take genes from one species-for example, a snake, and transfer them to another-for example, corn. 2. Such new life forms have been described, by some scientists as a real-life Frankenstein(科幻怪人).
Genetic engineers put duck genes into chicken to make the chickens bigger. They put hormones(激素) into cows to make them produce more milk. They put genes from flowers into beans and from fish into tomatoes. 3. It just makes them easier and faster for the farmer to grow.
The effects of genetic engineering on the natural world may be disastrous. The engineers may create strange life beings, or monsters. that we cannot control. 4. They’ll have to find one, fight for one-or kill for one. It may be your land they fight for-or you that they kill. Moreover, the effects of these experiments can often be cruel. In America, pigs were given human genes to make them bigger and less fatty. The experiment failed. The pigs became very ill and began to lose their eyesight. We would all like a better, healthier and longer life, and genetic engineering might give us this. On the other hand, it may be a dangerous experiment with nature. In the story of Frankenstein, the doctor created such a terrible and dangerous monster that he had to destroy it. 5.
A. The information tells us what to do or what not to do
B. We must make sure that this tale remains a story-and no more than that
C. This doesn’t make them cheaper, tastier, or healthier
D. The new life forms have no natural habitat or home
E. Then they feed the tomatoes to the fish
F. In this way a new life form is created
G. They are passed on from generation to generation
As they migrate(迁移), butterflies and moths(飞蛾) choose the winds they want to fly with, and they change their body positions if they start floating in the wrong direction. This new finding suggests that insects may employ some of the same methods that birds use for traveling long distances. Scientists have long thought that insects were simply at the mercy of the wind.
Fascinating as their skills of flight are, migrating behavior has been difficult to study in insects because many long distant trips happen thousands of feet above ground. Only recently have scientists developed technologies that can detect such little creatures at such great heights.
To their surprise, though, the insects weren’t passive but active travelers on the winds. In autumn, for example, most light winds blew from the east, but the insects somehow sought out ones that carried them south and they positioned themselves to navigate(导航) directly to their wintering homes.
Even in the spring, when most winds flowed northward, the insects didn’t always go with the flow. If breezes weren’t blowing in the exact direction they wanted to go, the insects changed their body positions to compensate(抵消). Many migrating birds do the same thing.
The study also found butterflies and moths actively flew within the air streams that pushed them along. By adding flight speeds to wind speeds, the scientists calculated that butterflies and moths can travel as fast as 100 kilometers an hour. The findings may have real-world applications.
With climate warming, migrating insects are growing in number. Knowing how and when these pests move could help when farmers decide when to spray their crops.
1.What’s the main idea of the text?
A. Insects migrate with the seasons
B. Wind helps insects greatly in migrating
C. insects have real direction
D. Scientists have trouble in observing insects
2.Scientists originally thought that .
A. insects always waited for their favorable winds
B. insects chose the winds they wanted to ride
C. insects were just blown about by the wind
D. insects positioned themselves in the winds
3.It is not easy to study the migrating behavior of the insects because .
A. the little creatures can fly very fast
B. their flight is long and high above ground
C. the wind’s direction is hard to foresee
D. they have no regular migrating courses
4.According to the passage, the findings can .
A. increase insects in number
B. instruct farmers when to spray
C. prevent climate warming
D. help protect insects
Mom and Dad are two of the most important people in your life.You probably see at least one of them every day. If your dad worships（崇拜）the Pittsburgh Stealers,you're likely to grow up being a big fan of that football team.And if your mom loves to read,you just might grow up carrying a book wherever you go,just like she does.
Here are four ways you can stay.close:and build a strong relationship with your parents.
(1)Spent time together.How much time do you spend just enjoying each other’s company?
Instead of playing a computer game or watching TV,maybe you can ask your mom and dad to play with you.Go outside together,try a board game,or read a book out.
(2)Share your feelings and ask for help.Your mom or dad might not know that you're having a problem.Tell a parent if you're sad or struggling with something.
(3)Show your care.Some families are always kissing,hugging,and saying "I love you".It's important to show that you care for each other.In addition to kisses and hugs,kids and parents show their love by respecting each other, being caring,polite,and thoughtful.
(4)Whatever you do,do your best!You,don't have to be perfect,but when you do your best,you make your parents proud.It makes them happy to see how you're turning into such a great kid.Why?Because it lets them know they’re doing a good job.
1.The first paragraph mainly tells us_______.
A. the Pittsburgh Stealers is a famous football team
B. the kid will like reading if his or her mother likes
C. parents influence their kids greatly
D. we should follow our parents' hobbies
2.In the third paragraph,the author suggests that_______.
A. you keep your parents company all the time
B. you stay at home with your parents
C. you enjoy games when your parents watch TV
D. you do something together with your parents
3.The underlined part "they're doing a good job" means_______. .
A. they have very good jobs
B. their jobs can bring the family much money
C. they make you become a great kid
D. they make you find a good job
4.The text intends to tell us_______.
A. parents are important to everyone B. how we get along with our parents
C. to respect our parents D. to share feelings with our parents
