Mars( 火星) appears to be flowing with small streams of salty water, at least in the summer,scientists reported Monday. "It suggests that. it would be possible for there to be life today on Mars," NASA's science mission chief, John Grunsfeld, said at a news conference on September 28, 2015. The streams are about 12 to 15 feet wide and 300 feet or more long, scientists said.

"What we're dealing with is wet soil. thin layers of wet soil, not standing water," said Aifred McEwen of the University of Arizona at Tueson ! the principal scientist for the Mars Reconnaissance Orbiter's high-resolution imaging experiment.

Because liquid water is essential to life, the findings could have major implications for the possibility of Martian life. The researchers said further exploration is needed to determine whether microscopic life exists on the planet.

The presence of liquid water could also make life easier for astronauts visiting or living on Mars. Water could be used for drinking and for creating oxygen and rocket fuel. NASA's goal is to send humans there in the 2030s.

The evidence of flowing water consists largely of dark, narrow streaks(条痕) on the surface that tend to appear and grow during the warmest Martian months and fade the rest of the year.

Mars is extremely cold even in summer, and the streaks are in places where the temperature is as low as minus 10 degrees Fahrenheit. But salt can lower the freezing point of water and melt ice.

The source(源头) of the water is a mystery. Scientists noted it could be melting ice. It could be an underground aquifer, which is rock or sand that can hold water. It is possibly water vapor from the thin Martian atmosphere, Or it may be a combination Michael Meyer, lead scientist for NASA's Mars exploration program, said the only definitive way for now to determine whether there's life on Mars is to collect rocks and soil for analysis on Earth - something a U. S. lander set for lift-off in 2020 will do.

1.What would be the best title for the text? '

A Streams of Water Spotted on Mars

B. Astronauts will Land on Mars

C. NASA's Mars Exploration Program

D. A Breakthrough in the Exploration of Mars

2.According to John Grunsfeld, there seems to be on Mars.

A. salty water

B. standing water

C. rocket fuel

D. human beings

3.Scientists are uncertain about the of the water on Mars.

A. state

B. source

C. temperature

D. taste

4.What matters to the existence of liquid water on Mars?

A. The distance from the sun.

B. The favorable climate.

C. The gravity of the earth

D.The salt in it.

完形填空,阅读下面短文,从短文后各题所给的四个选项(A、B、C 和D)中,选出可以填入空白处的最佳选项,并在答题卡上将该选项涂黑。

John’s parents acquired the washer when he was a small boy. It happened during World War II.

His family never ________ a washing machine and, since gasoline was expensive, they could not ________ trips to the laundry(洗衣店) several miles away. Keeping clothe________ became a problem for young John’s household.

A family friend joined the army, and his wife ________ to go with him. John’s family________ to store their furniture while they were away. To the family’s________ , the friends suggested they use their Bendix. So this is how they ________ the washer.

Young John helped with the washing, and across the years he ________ a love for the old, green Bendix. But ________ the war ended. When the friends came to take it back, John grew terribly ________ . His mother ________ him and said, “You must remember, that machine________ belonged to us in the first place. That we ever got to use it at all was a gift. So, instead of being mad at it being taken ________ , let’s use this ________ to be grateful that we had it at all.”

The lesson turned out ________ .Years later, John watched his eight-year-old daughter die a slow and painful death of leukemia(白血病). Though he ________ for months with her death, John could not begin getting over from the ________ until he remembered the old Bendix.

His daughter was a ________ . When he realized that simple fact, everything changed. He could now begin recovering from the death of his daughter. He started to see her as a marvelous gift that he was fortunate enough to ________ for a time. He felt________ . He found strength and recovery. He knew he could get through the valley of loss.

1.A. required B. owned C. repaired D. saw

2.A. take B. have C. afford D. ride

3.A. clean B. warm C. nice D. good

4.A. agreed B. managed C. desired D. prepared

5.A. offered B. decided C. expected D. promised

6.A. disappointment B. astonishment C. sadness D. regret

7.A. bought B. got C. borrowed D. used

8.A. achieved B. produced C. developed D. reduced

9.A. finally B. obviously C. immediately D. peacefully

10.A. frightened B. upset C. hopeless D. confused

11.A. explained B. encouraged C. comforted D. taught

12.A. once B. already C. hardly D. never

13.A. out B. down C. away D. up

14.A. chance B. success C. event D. treasure

15.A. important B. necessary C. reasonable D. invaluable

16.A. thought B. missed C. struggled D. forgot

17.A. lesson B. loss C. illness D. difficulty

18.A. death B. washer C. gift D. loser

19.A. share B. spend C. live D. earn

20.A. grateful B. energetic C. relaxed D. happy

While exciting for many, the holidays are stressful for the thousands of families who are struggling in our community.

Therefore, our holiday programs coordinate(使协调)food collections and donations to aid the low-income mothers, children and senior citizens. Those who wish to join the challenge can send financial donations to our office: 1355 Oakman Boulevard, Detroit 48238. Other ways you can get involved are:

Collect fresh or packaged food or donations for senior citizens. Many schools and business coordinate food drives to support this effort. The donation will be distributed in a massive effort on December 12 at the Rashid Ground. Call 313 494 4401.

Adopt a senior citizen. We will randomly select senior citizens and provide their contact information for donors. We encourage donors to provide fresh food for a holiday meal, and small gifts, if possible. Donors are responsible for purchasing and distributing the gifts and food. Call 313 494 4424.

Adopt a family. Donors can request the names and addresses of families that are enrolled in our food program to provide gifts and food for the holiday season. They can indicate the size of the family they wish to adopt. All families will be selected randomly. Call 313 494 4413.

Participate in our Special Holiday Delivery. Different from past years, when delivery took place at the Gathering Center, volunteers are now expected to meet at the Campus Hall on December 12 to pick up boxes of food and deliver them to senior citizens. Contact Volunteer Outreach Department at 313 494 4270 to sign up for this special event.

1.This passage is written mainly to _________.

A. explain how holiday-makers can make their life meaningful

B. show what lonely and miserable lives poor citizens are leading

C. advertize for a company located in Oakman Boulevard, Detroit

D. introduce several ways of joining a program for charity work

2.If you want to adopt an elderly man and send gifts and food to him, you should call ________.

A. 313 494 4401

B. 313 494 4424

C. 313 494 4413

D. 313 494 4270

3.As a volunteer in Special Holiday Delivery, where should you go to distribute food to the old this year?

A. The Campus Hall

B. The Gathering Center

C. The Rashid Ground

D. The office of Volunteer Outreach Department

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项,并在答题卡上将该项涂黑。选项中有两项为多余选项。

(请将答案涂在答题卡上E=AB F=AC G=AD)

Attraction of the Minions

When it comes to film, people usually favor good over evil, focus on the hero and ignore the supporting characters. _1. __

Originally comedic background characters in the film Despicable Me(卑鄙的我), these yellow pill-shaped nuts, have totally stolen the show and turned into a popular figure. This summer the characters debuted(首演) in their own self-titled movie in theaters abroad, having the second biggest opening weekend of all time for a cartoon film according to USA Today.

Recently, McDonald’s has been including Minion toys with kids’ meals in some areas, causing loyal fans to flock to the restaurant to collect them all. __2.__ The movie’s huge popularity even surprised its writers. “We never knew the Minions were going to be so popular. It just became a force of nature,” the film’s co-writer Cinco Paul told the Los Angeles Times.

_3. __For many, the appeal is obviously their cuteness. Their simple nature can easily surpass cultures and age groups. Even children can draw them. Thousands of examples of fan-made Minion art from fingernails to Halloween clothes are visible on global social media platforms.

But there’s more to the phenomenon than just cuteness. US entertainment website Hit Fix explains that their way of communicating makes the creatures influential as well. __4. __ But it seems everyone can understand them through their exaggerated(夸张的) movements and expressions. More importantly, their childlike mannerisms is a brand of humor that wins hearts. “Clumsy, foolish Minions are recognized as the ultimate β personalities,” wrote Peter Debruge of US entertainment magazine Variety. They desire nothing more than to serve their most despicable master. __5.__ "Perhaps we love Minions because they remind us of ourselves," Huffington Post associate Web editor Sara Boboltz wrote, "or an evil version of ourselves."

A. So what makes the banana-loving Minions a big hit?

B. Besides, their childlike manner entertains fans more.

C. And this evil characteristic arouses sympathy among humans.

D. Related video games, toys and other goods are sweeping the world.

E. Minions is a 2015 American 3D computer-animated family comedy film.

F. But when it comes to the Minions, these conventions go right out the window.

G. The largely speak in nonsense words with the occasional recognizable terms like “potato”.

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