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发表于 2009-8-16 16:42:59
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1# lsr91
In the lecture, the professor made several points about how does the cornea project like a dome beyond the white of the eye and projecting the iris and pupil. The professor argues that the cornea could not protect itself sometime even to protect any other organs. However, the reading contends that cornea should be perfect on protecting even it is only made by five-layer structure. The professor’s lecture casts doubt on the reading by using a number of points that are contrary to what the reading mentioned.
The first point that the professor uses to cast doubt on the reading is that if something hit into face, the cornea could not defend it. According to the professor, if something like a ball, a fist, or the dash over your car during a traffic accident, your cornea could be injured, which means some other organs on the face would be hurt, that’s differs from the reading in that the reading states the location of the injury or ulcer and the remaining scar tissue will leaves a small area of scar tissue after it heals.
这个阅读内容似乎和听力材料并不是冲突的关系
Another point that the professor uses to casts doubt on the reading is cornea could not defend the damage from chemicals, they would injure corneas, even the wound healed, the dust still in the cornea. For example, dryness and allergies would make it uncomfortable. However, the reading says that with the help of keratitis, the eyes are sensitive to light and they hurt, water, and become bloodshot. In severe cases, vision may be impaired.
Finally, the professor stated that, on the contrary of the reading, if your cornea meet virus, bacteria, fungi and so on, or your eyes are exposed to air too long, under lasers, that would make cornea die. This directly contradicts what the reading passage indicates, because it contends that a physician will lace a few drops of special liquid in the eye, turn the lights out. If the surface of the cornea is broken anywhere, it will show up as a bright blue green area.
文章的问题是造成cornea受伤的原因、危害和治疗方法。可能是delta和真实题的区别,恩,下次换120的作文吧 |
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