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People go to college for various reasons. A closer look at their reasons for studying at university will enable us to 1) ______ them roughly into three groups: those who have a(n) 2) ______ for leaning, those who see it as a necessary step in their future career, and those who 3) ______ university without a clear purpose yet.
Firstly, there are many students who learn simply because they want to 4) ______ their goal of learning. Some read a wealth of novels because they are very interested in literature. Others sit in front of the computer screen, working on a new program, 5) day and night, because they find computer programming 6), and they dream of becoming a computer expert one day.
Secondly, there are students who work hard for a better and more 7) ______ future. It seems that the majority of students fall into this group. After admission to the university, they read widely and take delight in 8) ______ knowledge from all of the resources which are 9) ______ to them, hoping that this will help them succeed in the future job market.
Thirdly, there are still some students who learn without a clear goal yet. They take courses, finish homework, enjoy life on campus, but they haven't 10) ______ many courses yet. They are still uncertain what they will do after graduation.

1. A. divide B.classify C.mix D.gather

2.A.hobby B.passion C.plan D.ability

3. A. attend B.leave C. finish D.visit

4. A.achieve B.pursue C.change D.abandon

5. A.hardly B.nearly C. virtually D. seldom

6.A.boring B.fascinating C.tiring D.easy

7. A. prosperous B.relaxing C.boring D.ordinary

8. A.acquiring B.losing C.wasting D.checking

9. A.available B.different C.closed D.strange

10.A. sampled B.chosen C.failed D. taught

On a hot summer day in 1961 when he was inspecting a test field in Hunan, Yuan Longping came across a single rice plant bearing 230 grains. He carefully collected all the grains and planted them the following spring, hoping to find a way to increase rice 1). The resulting new plants showed a variety of useful 2), but to his disappointment, none was as productive as the parent plant.
At that time, some people were 3) ____ about hybridizing rice. However, Yuan Longping, with his knowledge of 4) ____ engineering, was confident about hybrid rice. He believed that crossbreeding was universal and that it would always lead to stronger 5).
Then Yuan Longping 6) on developing hybrid rice. The first breakthrough came in 1970, when his team found a male-sterile wild rice plant in Hainan. Having carefully 7) ____ the plant, Yuan Longping successfully developed a good quality hybrid-rice strain in 1973.
Thanks to his efforts, about eight million hectares of hybrid rice have since been grown in more than 60 countries. Yuan Longping's 8) ____ to developing hybrid rice has helped 9) ____ poverty and solve the problem of food 10) ____ in both China and the world.

四选一题目

1. A.yield B.speed C.size D.weight

2. A.tricks B.traits C.tools D. tastes

3. A.excited B.skeptical C.satisfied D.curious

4. A.genetic B.physical C.chemical D.medical

5. A.friends B.offspring C.partners D.neighbors

6.A.lived B.fed C.focused D.agreed

7. A.tended B.hurt C.cut D. pulled

8. A.doubt B.devotion C.fear D.pride

9. A.create B.eradicate C.increase D.spread

10.A.deficiency B.safety C.waste D.supply