Technology is changing our lives. Our present aerospace (航天航空)companies are gradually disappearing as private space concerns are being born every day. I'm going to discuss three space?based businesses that are sure to soon influence us all.

First we have to make space travel cheaply and safely. Engine design is the main challenge. To make money in space, the cost of space travel will have to diminish(减少). This problem will be the most difficult to solve. Liquid fueled rockets are the only way to get out of Earth's orbit. Finding new ways to power the flight to space is also another big challenge.

Finding the key to cheap space travel might be the biggest story of our times. There are a lot of great minds working on this problem. And companies are pouring money into research and development. In the next few years we'll see the first sub?orbital tourist. And not long after that we should really start to see new and exciting things as competition heats up.

Spacecraft design and production will naturally follow rocket technology. All sorts of crafts will be needed for the wide uses they'll be tasked with. Several companies in the United States have already made small, low?cost test vehicles.

Resources in space will provide great mining profits to those who can afford the cost of setting up such a huge operation. Can you imagine finding a huge asteroid(小行星) of pure gold? The benefit to mankind is limitless. Mining on other planets, like Mars, also adds CO2 into the very thin atmosphere. Over time this can lead to the formation of an atmosphere similar to Earth's.

Space is going to offer us untold opportunity and wealth. But this is only going to occur if wealthy investors step forward and fund the first steps forward. It is certain that technology will take us to worlds we could never have imagined.

1.The passage is mainly about ________.

A.the future of space travel

B.the cost of space travel in the future

C.the development of spacecrafts

D.cheap travel in the future

2.What should be done first to make travel in space cheap and safe?

A.A direct route from Earth to other stars should be found.

B.Some new kinds of fuel should be used in the rockets.

C.New material should be used to build the rockets.

D.New rocket engines should be designed.

3.According to the passage mining on other planets might help ________.

A.increase the travel benefits there

B.form the atmosphere like Earth's there

C.bring some new species there

D.create more job opportunities there

4.According to the passage, the space?based businesses are ________.

A.likely B.imaginary

C.unbelievable D.valuable

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,选出可以填入的空白处的最佳选项,并在答题卡上将该选项涂黑。

We have a small back garden with several trees,so bird nest in abundance. Therefore, it is ________ year after year to find many young birds don’t________ .

One morning two years ago, I found a young blackbird sitting still, very cold, in a corner. I ________ it up and moved it to a raised warmer spot, ________ it with tissue and made silly bird noises in the hope that it would ________ . It was breathing, though very weak and wouldn’t open its beak (喙). I knew it had ________ and was dying but it did start to feel warmer so there was________ .

I kept coming to check on it, keeping our three ________ inside the house, as I didn’t want them to ________ it, as Toby, my cleverest dog had already spotted it. One time, I went to see the bird, it had ________ down, legs outstretched (伸直), so I placed it ________ back onto the tissue. Its eyes opened ________ and it seemed to look in my direction, ________ at times its head also moved round, which was not a good sign. I kept making bird noises and ________ it, saying “Come on, be strong.” I just felt so ________ , but I wanted it to know that there was someone who ________ . Unfortunately, it died. I did feel so regretful because I tried my best but I ________ .

To my ________ , last year I spotted two young blackbirds keeping each other company in one of our trees, and I’m ________ one of them had at least survived as one has been visiting ________ since and helping itself to seed from our feeders.

1.A. obvious B. strange C. usual D. special

2.A. leave B. survive C. fly D. adjust

3.A. picked B. put C. hung D. held

4.A. provided B. connected C. hid D. covered

5.A. play B. reply C. breathe D. wake

6.A. kept up B. made up C. given up D. turned up

7.A. hope B. life C. luck D. fun

8.A. birds B. dogs C. cats D. boys

9.A. visit B. annoy C. bother D. attack

10.A. fallen B. pulled C. lain D. showed

11.A. quickly B. happily C. gently D. carelessly

12.A. in vain B. in return C. in time D. in response

13.A. since B. although C. while D. unless

14.A. encouraging B. saving C. amusing D. calming

15.A. excited B. curious C. moved D. desperate

16.A. counted B. preferred C. cared D. differed

17.A. stopped B. failed C. declined D. missed

18.A. delight B. disappointment C. sorrow D. amazement

19.A. proud B. afraid C. sure D. grateful

20.A. casually B. unexpectedly C. suddenly D. regularly

阅读短文,根据短文内容回答问题,并将答案写在相应位置。

Tricks to Finding the Cheapest Flights

Travel can be a lifesaver. The right vacation at the right time can refresh your body and mind. But ticket prices are sharply on the rise, many have written off travel as too expensive. However, with a few tricks and a little research, there are still lots of great deals to be had on airline tickets.

Early Bird Gets the Deal. Travel experts say that there are certain times of day when more deals are available. Airfares can change three times a day as airlines adjust their prices to fill up flights. Early morning is when the fares tend to be lowest, but it is a good idea to check every five hours to track prices as they change throughout the day. Also, it’s a good idea to check again at 5 pm when the airlines are trying hardest to fill empty seats.

What Wouldn’t a Business Traveler Do? Most business travelers fly on Mondays and Fridays, so Tuesday and Wednesday are the best days. Airlines will usually lower their prices on these days to aggressively try and fill empty seats.

Avoid the Crowds. Fly to popular places at unpopular times. The slowest time of the year for travel is in the Fall between Labor Day and Thanksgiving. Again, to try and fill more empty seats, the airlines will lower prices to get people to fly during this time of the year.

Right Place, “Wrong” Time? By flying to popular destinations at unpopular times, you can secure the best prices from travel companies and airlines. Here’s where flexibility in your planning can pay off. Going to the airline websites and planning your vacation around the best ticket prices offered can result in a fun, cost-effective vacation and maybe widen your horizons to a place you might never have considered before.

Package Deals. Many times the best deals on airfare can be found as part of a package rate. Most travel sites have package rates available and they are definitely worth a look. Often times, the entire package (hotel, airfare, rental car, meals, tours ect) is cheaper than just the plane ticket on another site. These deals are especially good on last minute bookings.

1.What is the passage mainly about? (回答词数不超过8个)

___________________________________________________________________

2.When may the airfares be the lowest of the day? (回答词数2个)

___________________________________________________________________

3.When do business travelers usually fly? (回答词数2~4个)

___________________________________________________________________

4.How can you find the cheapest flight tickets if you plan to travel to popular places? (回答词数3个)

___________________________________________________________________

5.What does the entire package include? (回答词数不超过8个)

___________________________________________________________________

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网