问题
问答题 简答题
赤铁矿石主要分选工艺有哪些？
答案
参考答案：
（1）单一强磁选。
（2）焙烧磁选。
（3）浮选。
（4）联合流程。
搜题请搜索小程序“爱下问搜题”
赤铁矿石主要分选工艺有哪些？
参考答案：
（1）单一强磁选。
（2）焙烧磁选。
（3）浮选。
（4）联合流程。
| 阅读下列短文，选择可以填入空白处的最佳选项。 | ||||
 John loved playing basketball after school. John's parents were anxious about their son because he __1__ half of his spare time playing basketball, even though he would soon __2__ the college entrance exam (高考). Many evenings, John returned home__3__ at the beginning of the new term. His parents told him to concentrate more __4__ his studies, but their words went in one __5__ and out the other. His parents were so angry that they __6__ his basketball. From that day on, John returned home on time but locked __7__ in his room. At first, his parents dreamt their son could study hard to enter a top university. But __8__ news shattered (破灭) their dream. John's pre-exam test scores were __9__. One night, John's mother looked into his room and __10__ him reading a basketball magazine. So John's parents discussed the matter. They __11__ to make a deal (约定) with John. If John scored high marks in the following tests, he could get his ball back and __12__ once again; if he failed, they would keep the ball __13__ he improved. John __14__ reading his magazines. He started working hard. He started getting high marks and got his __15__ back. The ball stayed with John until he entered a top university. | ||||
|