低温( )以下环境，应按低温条件和绝缘类型要求，选用油浸纸绝缘类或交联聚乙烯、聚乙 发布时间：2017-06-15 00:35 │ 来源：www.tikuol.com 题型：单项选择题 问题： 低温( )以下环境，应按低温条件和绝缘类型要求，选用油浸纸绝缘类或交联聚乙烯、聚乙烯绝缘、耐寒橡皮绝缘电缆。A．-10℃B．-20℃C．-25℃D．-30℃
题型：单项选择题 先阅读短文，掌握其大意。然后从方框中所给的词中选出恰当的10个，并用其适当形式填空，每个此限用一次。decide, without, make, be, help, pay, die, study, hard, need, like, cost Yang Liang is a student in Grade Two in the First Elementary School in Rongcheng. His father 1 when he was three. His grandfather 2 in bed for many years. His mother worked so 3 that sheis ill now. She will not 4 money for her family. The family is in 5 . Yang Liang can't go to school 6 other students. When the local government knew the things, they took 10, 000 yuan 7 the family. They let Yang Liang keep his 8 . Yang Liang needn't 9 any money for school. When the famous ping-pong player Deng Yaping knew this, she 10 to help him finish his study until he graduated from the university. 查看答案