阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡的相应位置上。
If the population of the Earth keeps on increasing at its present rate, there will eventually not be enough resources 1.________(leave) to support life on the planet. By the middle of the 21st century, if present trends continue, we2._________（use）up all the oil that drives our cars, for example. Even if scientists develop new ways of feeding the human race, the crowded conditions on the earth will make 3. ______ necessary for us to look for open space somewhere else. But4.______ of the other planets in our solar system are capable of supporting life at present. One possible solution5.______ the problem, 6._________, has recently been suggested by an American scientist, Professor Carl Sagan. Sagan believes 7._______ before the Earth’s resources are 8._______(complete) exhausted it will be possible to change the atmosphere of Venus and therefore create a
new world almost as large as the Earth9. .The difficulty is that Venus is much hotter than the Earth. 10.________, there is only a tiny amount of water there.
One of my father’s favorite sayings as I was growing up was “Try it!” I couldn’t say I didn’t like something, whatever it might be, until after I tried it. Over the years I’ve come to how much of my success I owe to my of those words as one of my values. My job was just one I decided to try for a couple of years until I what I want to do as a career. I believed I would work for a few years, get married, stay home and raise a family, so I didn’t think the job I took that much. I couldn’t have been more . I mastered the skills of that beginning level position and I was given the opportunity to move up through the company into different . I accepted each new opportunity with the thought, “Well, I’ll try it; if I don’t like it I can always go back to my position. ” But I was with the same company for the past 28 years, and I’ve every career change I’ve made. I’ve discovered I a large number of different talents and skills that I never would have thought were within me had it not been for my being open to trying new opportunities. I’ve also discovered that if I what I’m doing and work hard at achieving my . I will succeed. That’s why I’m so to be a part of CareerFables. com. I think has come and I am determined to make it a success.
1.A. Consider B. Argue C. include D. realize
2.A. suggestion B. explanation C. acceptance D. discussion
3.A. hard B. best C. extra D. first
4.A. determined B. examined C. experienced D. introduced
5.A. Actually B. Gradually C. Finally D. Usually
6.A. helped B. required C. expressed D. mattered
7.A. careful B. mistaken C. interested D. prepared
8.A. situations B. choices C. directions D. positions
9.A. easier B. newer C. earlier D. higher
10.A. permitted B. counted C. organized D. enjoyed
11.A. show B. possess C. need D. gather
12.A. think of B. give away C. believe in D. turn into
13.A. business B. goal C. fortune D. growth
14.A. excited B. curious C. surprised D. helpful
15.A. dream B. time C. power D. honor
I must say your food is excellent but your service really needs __________.
A. to improve B. improved
C. being improved D. improving
We _______ the difficulty together, but why didn’t you tell me?
A. should face B. might face
C. could have faced D. must have faced
We ________ the bridge for over two years and it will be half a year before it’s completed.
A. are building B. have built
C. have been built D. have been building
---- Did you know any German before you got to Berlin?
---- Not a single word _________.
A. have I learned B. had I learned
C. I’ve learned D. I had learned
