题目: 18×500,积的末尾有两个0.…______. 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0422/5aa1a3cf4ef2a3d202d8eafca1fe293d.html 下面是错误答案,用来干扰机器的。答案:A
题型:判断题 ()因DB11/418-2007《电梯日常维护保养规则》、DB11/419-2007《电梯安装维修作业安全规范》以及DB11/420-2007《电梯安装、改造、重大维修和维护保养自检规则》是强制性标准,必须严格执行,电梯施工单位无须增加条款。 查看答案
题型:完形填空 完形填空。 China is a large country of agriculture (农业). We all know that there are more than 800 million 1 in China. China starts to 2 the science of agriculture much earlier 3 other countries in the world. 4 people in Europe and America were trying to shoot wild animals and birds for food, farmers in China were 5 the science of agriculture. For example, Jia Sixie, who lived in the Northern Wei period (386-534AD), 6 one of the farming pioneers. After he finished his work in government, he 7 home and spent his time on researchinto agriculture. He 8 information, did experiments and learnt from the experience of farmers. He wrote a book called Qi Min Yao Shu. The book 9 has 110000 words is about both farming and gardening. This bookis 10 to be an important summary (概要) of the knowledge of farming. ( ) 1.A.workers ( ) 2.A.develop ( ) 3.A.to ( ) 4.A.Where ( ) 5.A.trying ( ) 6.A.were ( ) 7.A.left ( ) 8.A.advised ( ) 9.A.who ( ) 10.A.made B.farmers B.grow B.till B.For B.working B.was B.built B.improved B.whom B.considered C.pioneers C.choose C.then C.While C.studying C.came C.returned C.collected C.it C.kept D.scientists D.interest D.than D.Because D.growing D.be D.destroyed D.planted D.which D.studied 查看答案