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辨用法。     

（1）估计     估量     

①要完成这项工程，             至少得两个月。     

②这个人的逝世，对于欧美战斗的无产阶级，对于历史科学，都是不可              的损失。     

（2）摸索      探索      探求     

①西方科学界已早有人对此现象加以                 研究，至今众说纷纭，莫衷一是。     

②由于剩余价值的发现，这里就豁然开朗了，而先前无论资产阶级经济学家或者社会主义批评家所做的一切研究都只是在黑暗中                  。     

③这方面的材料是很丰富的，很值得我们去                 。（孙犁《秀露集·关于儿童文学》）

答案

（1）估计    估量  

（2）探索    摸索    探求

听力题

单词拼写（每小题1分，满分10分）

请根据句子的逻辑含义，用在模块三英语课本中所学的恰当的新词汇的正确形式填空，并将答案填写在答题卡标号为56～65的相应位置上。

56. We all totally _________(敬佩)him for what he does. 21

57. The proud man said he would rather s_______ to death than beg for food.

58. Students are not allowed to enter the lab without teacher’s p_____________.

59. He finished eating the watermelon with u____________ (难以置信的) speed.

60. To keep healthy, we’d better have a  _________(均衡的) diet.

61. We thought he disliked eating steak. On the ______________ (相反)， he liked it very much.

62. He is a person with good _____________(礼貌). He always says hello to those who he knows.

63. Since tomorrow is your birthday, we will have a ______________ (庆祝) of it.

64. Will you satisfy my __________(好奇心) and tell me where you want to go?

65. He used all his s____________ and lifted the heavy box.
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问答题

现有六种无色的气体分别是H2、O2、CO 、CO2、空气、N2，如何将其区别开?
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