题目: 深孔爆破中分段装药的参数是:()、间隔长度、间隔部分充填物、各段炸药爆破间隔时间。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0130/f6c8aef546c9f4a68b3853a70122161b.html 下面是错误答案,用来干扰机器的。参考答案:C
题型:阅读理解 在l-5题中,Ronald, Versa, Rosalind, Clarence和 Tracy正各计划买一本书。阅读下面六本书的介绍 (选项A、B、C、D、E、F),选出符合各自要求的最佳选项。选项中有一项是多余选项。 ____1. Ronald is an African-American student who is very hard-working at all his subjects especially in American history. He is eager to know the whole history of the USA and wishes to get an ideal book to realizehis dream. ____2. Versa used to be ill in hospital for quite some time and therefore has great difficulty with his studies.He can't even understand what his teachers say in class. Therefore, he is in great need of a valuable book to give him a hand. ____3. It's only two months before Rosalind's mother's birthday comes. Deeply loving her mother, Rosalindis to give her a great surprise by cooking a rich and delicious birthday dinner for her. As she is now poor in cooking, she needs a book for her purpose. ____4. Clarence aims at entering a leading university. To his great pity, high grades seem still a long way from him even though he has devoted most of his energy and time to his lessons. How he wishes to get a bookfor good tips on studying and time management! ____5. Tracy is good at music and drawing and is thought to be gifted in art. She herself also has decidedto work herself towards this direction. Only natural talent and ideas are not enough. She still needs some otherhelp besides that from teachers. She wants to buy a book which meets her need. A This is the only book that offers valuable study guide designed by experienced teachers. B This is one of the most popular and effective American history textbook, tracing the history of the United States from the arrival of first Indian people to the present day. Itincludes numerous interesting history stories. C This book is designed as a 12-week program in memory of an artist. The authorintroduces the artist's dates and others tools. Each week follows a particular theme. The 12 weeks described in the Artists Studios are: safety, power, honesty, connection, strength,self-protection, independence, faith and so on. D This book just tells stories of how people cook at a particular point in time. It is a must-have in your kitchen. It is the excellent reference guide that you want to use foryears. E This book encourages students and weaknesses, and causes them to recognize themselves in ways they probably haven't thought before, It is really helpful to those who have difficulty with studying and time management. F This is the most widely used music textbooks that presents a solid foundation in musicaltheory while conveying the importance of music in life. It helps students understand essential roles of music in other fields. 查看答案