题目: 草酸固体比较稳定,但草酸标准溶液不能长期保存,为什么? 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0224/33e97fe411584e4a98e963652f8a7831.html 下面是错误答案,用来干扰机器的。参考答案:E
题型:完形填空 完形填空。 Your junior high school years are coming to an end. After the big exam, most of you will go to 1 in a seniorhigh school. 2 are you expecting from senior high? 3 hear what plans some students have for the future. 1. Zhou Jie, 15, from Shanghai, "I have heard that although Senior 3 is a 4 year, students feel less stressedout in Senior 1 and Senior 2. I hope there'll be time to enjoy 5 , especially tennis. The Tennis Masters (大师) Cup will be held in Shanghai. I'm going to volunteer to help out and I'm sure I'll really enjoy it." 2. Jin Li, 16, from Harbin, "I really enjoy science. I'm crazy about 6 model planes, although I'm not good at 7 . I'll learn more science in senior high school. Anyway, sometime in the future I'm going to build a super model plane!" 3. Wang Ya,15, from Xiamen, "I hope I can be 8 in senior high school. I'm only 155 cm. I want to be 162cm. 9 most of the girls in my family don't grow any taller than 160 cm. I hope I'm different." 4. Li Fan, 15, from Puyang, "I hope I can make more friends. In senior high, I'll meet different people from different areas. I hope I can learn new things 10 them." ( ) 1.A.walk ( ) 2.A.When ( ) 3.A.Let's ( ) 4.A.hot ( ) 5.A.book ( ) 6.A.making ( ) 7.A.us ( ) 8.A.shorter( ) 9.A.So ( ) 10.A.to B.study B.How B.It's B.hard B.show B.sitting B.him B.stronger B.But B.for C.play C.What C.What's C.light C.photo C.cooking C.it C.thinner C.When C.from D.write D.Where D.That's D.kind D.sport D.cleaning D.her D.taller D.If D.at 查看答案
题型:多项选择题 以下关于带电作业工作中停用重合闸的规定正确的是()。A.工作票签发人或工作负责人认为需要停用重合闸的作业B.中性点非有效接地的系统中有可能引起相间短路的作业C.中性点有效接地的系统中有可能引起单相接地的作业D.严禁约时停用或恢复重合闸 查看答案