关于期末复习 英语演讲稿(精选多篇)

-精选财经经济类资料- 关于期末复习英语演讲稿(精选多篇) 考试范围：u1-u4题型：1. 课文内容理解，是非题10%2. 词汇选择题10%3. 课文段落选词填空10%4. 句子英译中20%5. 课外阅读理解20%6. 作文30%unit 11. in my view, no knowledge can be more satisfactory to a man than that of his own frame, itsparts, their functions and actions. 在我看来，对人来说，没有什么知识会比了解自身的构架、它的部件以及各部件的功能和作用更能使他满足的了。2. the possible approaches to a study of the body are legion. to the cynic, the body is no more than a tenement of clay; to the poet, a palace of soul; to the physician, an all-too-ailing hulk. the psychiatrist sees it as a housing for the mind and personality. the geneticist sees it as a perpetuator of its own kind. the biologist sees it as an organism which can alter the future as a result of the experience of the past. 研究人体的途径可谓五花八门：玩世不恭者视其为泥土构作的陋室；诗人赞之曰灵魂的宫殿；医生视它作百孔千疮的躯壳。精神病学家视之为理智和个性的居所；遗传学家视之为自我繁衍的机器；生物学家看见的则是一个能以往昔之经历改造将来的生物体。3. bounding the cytoplasm is the cell membrane, which keeps the cell contents in and undesirable material out, yet permits passage of both proper nutrients and wastes. 包裹着细胞质的是细胞膜，它将细胞内含物包容于细胞之内，将不需之物排斥于外，而又允许适当的营养物和废物通过。4. all nerve cells, varied as they may be, receive and conduct electrochemical impulses. 尽管可能有所不同，所有神经细胞都接收和传递电化学冲动。unit 21. the body is supported and given shape by this structure, consisting of more than 200 bones and the muscles and tendons which are connected to them. 人体由这个结构作支撑，并构成轮廓，这一结构由大约200多块骨头和与之相连的肌肉和键组成。2.from there, the blood is pumped into the right ventricle and to the pulmonary artery to be sent to the lungs, where carbon dioxide is removed and oxygen is added. 血液从那里被泵入右心室，再进入肺动脉而被送至两肺，在此二氧化碳被去除，氧气被加入3. another major body complex is the digestive system, which processes the food so that it can be used for energy. 另一个主要的器官是消化系统，该系统对食物进行加工，以便食物能被作为能量使用。 4 normally, the fertilized egg then travels to the uterus where it becomes an embryo, isimplanted, and develops for about 280 days . 在正常情况下，受精卵移动进入子宫，在那里变成胚胎，完成植入过程，生长约280天左右。unit 31.although all pathogens pose potential threats if they gain entry to the body, the chances of this occurring are actually quite small. 虽然所有病原体若进入人体都会造成潜在的威胁，但这种清况发生的可能性却相当小。2. whether threatened by an invading organism, a physical object, or a chemical irritant, the body reacts in a similar way to defend itself. 在不同程度上，这种自然防卫机能是我们与疾病斗争的最坚强的盟友，从出生到死亡始终相伴。4. in some instances, if a person is already weakened by other diseases, giving a vaccination may provoke an actual case of the diseases. 在某些情况下，如果一个人已经因其他疾病变得虚弱，注射疫苗可能引发实际产生疾 病。unit 41. as life expectancy increases, people are more likely to succumb to degenerative conditions that the aging body is susceptible to. 随着预期寿命的增长，人们更可能死于易侵袭衰老的躯体的退化性疾病。2. when heart disease is suspected and more detailed information is needed, an angiogram is ordered. 当病人疑似患有心脏病，需要有更为详细的信息时，可以做血管造影。3.patients can decrease the likelihood of developing atherosclerosis by cutting down on their consumption of fats, cutting out cigarettes, and getting adequate exercise. 病人可通过减少脂肪摄入，停止吸烟和进行充分锻炼，来降低发生冠状动脉粥样硬化的可能性。4.less serious but still frightening is the condition called angina pectoris, chest pains that occur when the heart muscle does not get enough oxygen . 危险性较小但仍然令人恐惧