综合写作范文：
Sample answer:
The reading and listening discuss about whether the Alaska orca and the Iceberg orca are different individuals. The passage mentions three reasons to prove they are different individuals. Whereas, the professor totally refutes the three points presented in the passage.
Firstly, the professor rebuts the reading’s idea that because the Alaska orca and the Iceberg orca have slight coloration difference, they are different individuals. The professor claims that orcas will alter their colors in different seasons, thus it is not wise to say they are different orcas just according to the color.
Secondly, the professor contradicts reading’s statement that the habitats of the Alaska orca and the Iceberg orca are too far away, and orcas can not travel far away, therefore they are not the same orca. The professor mentions that according to hunting habitat, orcas can be divided into two kinds. One just preys along the coast, and the other feeds on fish groups and always travels far. And the orca we discussed belongs to the later one.
At last, the passage states that we find the Alaska orca and the Iceberg orca are of different age based on fins, so they can not be the same one. However, the professor explains that orcas’ fins tend to keep same from approximately 20 years old. So the fins alone can not tell that the two orcas are different individuals.
独立写作题目：作文题目：
Some people always follow their dreams even if the dreams are ambitious. Some think we should focus on achieving realistic goals. Which do you agree with? Why?
独立写作范文：
What’s the difference between somebody and nobody? From various biographies, we can be safe to draw a conclusion that somebody often dares to dream, embraces challenges instead of escaping and sticks to his dream until he achieves it. Then when exposed to the topic whether we should pursue the ambitious dreams instead of realistic goals, I am strongly in favor of ambitious dreams.
Firstly, fierce competition urges us to challenge ourselves all along. Theory of Evolution written by Darwin tells us an eternal truth that the rule of this society is the survival of the fittest.
With soaring development in each field, the competition nowadays becomes increasingly furious. If you do not want to be cleaned out, you’d better keep pace with changes and be an ambitious man. Michael Yu is a good example in point. Michael Yu, the founder of New Oriental School, has gotten a high reputation, not only because of his enterprise - the largest provider of private educational services in China, but also because of his legendary lifetime struggle from a poor student to an undergraduate of Beijing University as well as from a professor to the CEO nowadays. Michael Yu was born poor, without much supporting from his family, he had to try hard by his own efforts. The harsh reality pushed him to be a stronger, for if he did not dream high and tried to make his dream come true, he would be a farmer or at best a teacher in his small village. So thanks to his seemingly unrealistic dreams,Michael Yu succeeded at length.
Secondly, possessing an ambitious dream contributes to our being stronger. Sometimes I wonder what is realistic goals. Maybe this is a kind of goal based on our own capabilities, as well as the possibilities to succeed. However, I find that this kind of goal is slowing dying out since everything is altering with an unexpected fast speed. Several years ago, we could assert being an official, which to a large extent equaled to a realistic goal, meant getting a stable life career and a happy life. But now, it’s quite different. So how can we survive in this society? Let’s dream high! When we bear the ambitious dream in mind and always stick to it, we will encounter two situations which are being successful or being failed. And no matter we are winners or losers, during the pursuit of dream, we gain a lot like accumulating experience, expending our social relationships, strengthening our mind and so forth, which are the real treasures arming us to tackle with any unpredictable situation in the future.
Finally, being aspiring can be instrumental in staying healthy. According to a scientific research, when we try to embrace our ambitious dreams , there will be healthy hormones appearing in our body. And what’s more, ambitious dreams with challenging characteristics can better help us keep alert and active. And when we finally succeed, the confidence and sense of achievements, which can be of significant help to our psychological health, brought by ambitious dreams are far beyond what realistic dreams produce.
Based on all the above reasons, I emphasize that we should always hold an ambitious dream.
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