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锚杆(索)的杆体及配件、网、锚固剂、喷浆材料等材质、品种、规格、强度等符合设计要求。()

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Part A
Suppose that you have got the news that the University of Washington is offering a scholarship in mathematics and that you have just received an MS degree in mathematics and are eager to go abroad to further your study. Write a letter of application for the scholarship to Dr. Smith, the Chairman of the University.
You should write approximately 100 words. Do not sign your own name at the end of your letter. Use "Li Ming" instead.

冲击地压矿井应进行煤层冲击倾向性鉴定，岩层不需要冲击倾向性鉴定。()

矿长、总工程师、爆破工、采掘通区队长、工程技术人员、班长、流动电钳工、安全监测工下井时，需携带便携式甲烷检测报警仪。()

运行5t的机车轨道线路应使用不小于30kg/m的钢轨。()