皮皮学，免费搜题
登录
搜题
【简答题】
（10分）、新的课程理念要求普及科学知识，提高公民素养，让知识走进社会、走进生活，充分体现化学的社会价值，下面是两则生活中的化学知识，请按要求作答： （1）硅及其化合物在无机非金属材料中一直扮演着主要的角色，则： ①有下列物品或设备：a陶瓷餐具 b门窗玻璃 c硅太阳能电池 d水晶镜片 e计算机芯片 f石英光导纤维 用到硅单质的是__________（填字母标号，下同） 所用材料为SiO 2 或要用到SiO 2 的是___________ 所用材料为硅酸盐的是___________ ②赏心悦目的雕花玻璃是用下列物质中的一种对玻璃进行刻蚀而制成的，这种物质是： A盐酸 B氢氟酸 C烧碱 D纯碱 （2）病人输液用的葡萄糖注射液是葡萄糖（化学式C 6 H 12 O 6 ）的水溶液，其标签上的部分内容如图所示，利用标签所提供的信息，回答下列问题： ①该注射液中葡萄糖的摩尔质量为：_______________ ②该注射液中葡萄糖的物质的量浓度为：______________ ③如果要配制一定物质的量浓度的葡萄糖溶液250ml，所需仪器除了托盘 天平、药匙、烧杯、玻璃棒、胶头滴管外，还缺少的仪器是___________
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】单词拼写（共10题；每题0.5分，满分5分） 小题1:The pictures in the museums show the ancient c_______ of Greece and Rome. 小题2:Please don't h_______ to contact me if you have any questions. 小题3:Seeing that you have no time...
【单选题】It provides options and frees you from being subject to someone’s priorities. In which following sentences , “subject” has the same meaning with the given sentence?
A.
Surprisingly, maths was voted their favourite subject.
B.
We need some male subjects for a psychology experiment.
C.
Ancient Rome subjected most of Europe.
D.
Students should be subject to the discipline of their university.
【判断题】按照国家标准,铭牌上除标出变压器名称、型号、产品代号、标准代号、制造厂名、出厂序号、制造年月以外,还需标出变压器的技术参数数据。( )(1分)加油!必过!
A.
正确
B.
错误
【单选题】In the passage the author implied that ______.
A.
music did not exist before the Middle Ages
B.
we were not better off than the Greek and Roman men
C.
there was not enough evidence to prove that Western music was originated from the ancient Greece and Rome
D.
there were no authentic remains of the ancient Roman music
【简答题】The sea horse is a magical animal, which has puzzled （使困惑） people for thousands of years. In ancient Rome sea horses were believed to be the babies of Neptune’s horses. And Neptune was the god of the ...
【简答题】按照国家标准,铭牌上除标出变压器名称、型号、产品代号、标准代号、制造厂名、出厂序号、制造年月以外,还需标出变压器的技术参数数据。()
相关题目：
参考解析：
知识点：
题目纠错 0
发布
