题目

下列工艺原理不属于化学变化的是 A．煤干馏           B．石油分馏         C．石油的裂解       D．煅烧石灰石 答案：B As darkness fell, hundreds of people in the Swiss village left their houses. They were staring forward at the mountain top in the distance. It was covered with ice and snow—beautiful and dangerous.The huge mountain is called Matterhorn. Mountain climbers had___________________the top through the southern route(路线). But no one could try a winter climbing up the northern side. But now one man was daring___________________the route. He was Walter Bonatti, a great mountain climber ___________________Italy.For two days he had climbed. The village people had watched him anxiously. Now they were waiting to see his signal. If he planned to_________________ the next day, he would light a green signal. A red light would mean that he was turning back.A tiny green light ___________________ on the mountain side. Bonatti was not giving up! The people___________________ . The next day he continued his way upward. He was so lonely and so ___________________! But he would not give up. Again that night he lit the green light.In the morning, Bonatti looked up. He could not see the top.___________________the climb was painful, he moved up. Bonatti had spent months ___________________for the climb. Was the training enough? Did he have the strength and skill to climb to the top?He was finally at the top! News about his____________________was radioed to the world.The trip down the southern route was easy. He was warmly welcomed in the village. He had done the “impossible” and would be well remembered as a climber of all time.【1】A.reachedB.watchedC.followed【2】A.tryingB.to tryC.try【3】A.withB.fromC.in【4】A.turn backB.come downC.go on【5】A.placedB.foundC.appeared【6】A.criedB.jumpedC.cheered【7】A.excitedB.movedC.tired【8】A.ThoughB.SoC.However【9】A.to prepareB.preparingC.prepared【10】A.successB.lifeC.idea