1--5 ADABC 6--10 BDCDA 11--15 BBCAD 16--20 EBACD
21--25 AADDC 26.remembered 27.government 28.against 29.vain 30.held
31--35 DDBCA 36--40 CACDB 41--45 DCDAB
46.question 47.have vistied 48.more 49.convinced 50.government
51.fact 52.models 53.where 54.to 55.that
56.on seaweed 57.microscope 58.B
59.虽然很多科学家很安静/不爱说话,但他们给我们的生活带来了大变化.
60.对雷切尔后森来讲,大海是充满生命奥妙的神秘世界.
61.The lue whale. 62.129.5 metric tons. 63.About 30 meters long. 64.Yes,they are. 65.Through lungs.
66.Seed plant have many parts and can serve many purposes.67.The roots of a seed plant.
68.Absorb. 69.The author used the example of plant with bulbs.
70.Yes,it does.
71--75 74-75-72-71-73
76.I have ecome accustomed to my teacher's instruction styles.
77.The Internet will continue to hve an enormous influence on our lives.
78.It is predicted that the population of India could one day overtake the population of China.
79.The nurse adked me whether I wanted something to drink.
80.It is prteey hard to strike a balance between caution and courage.
