【多选题】Announcers on China Central Television (CCTV) will need to do some fast talking to replace the popular English acronyms(首字母缩略词) they’re now forbidden to use. Shanghai Daily reports that “anchors at Ch...
A.
speak as slowly as they like
B.
mix English into Chinese
C.
use shortened Chinese expressions
D.
have so much time for their program
【简答题】Customers are tired of the __________________ (stereotype), fast-talking salesperson.
【简答题】(9分)(1)下列措施错误的是 (填序号):①稀释浓硫酸时,将水缓慢注入浓硫酸中;②用熟石灰处理被酸污染的河水;③把鼻孔凑到容器口闻浓盐酸的气味④不慎将浓硫酸沾到皮肤上,立即用大量水冲洗,再涂上3%~5%的碳酸氢钠溶液 (2)长江中学化学兴趣小组,用自制的酸碱指示剂对NaCl、NaOH、HCl等溶液的酸碱性进行测定,结果记录如下: 植物的汁液 在HCl溶液中 在NaCl溶液中 在NaOH溶液中 牵...
【简答题】阅读理解。 Announcers on China Central Television (CCTV) will need to do some fast talking to replace the popular English acronyms (首字母缩略词) they're now forbidden to use. Shanghai Daily reports that 'anchor...
【简答题】(12 分)右图是稀释浓硫酸实验的示意图。 ( 1)写出图中a、b两种仪器的名称: a , b 。 ( 2)b容器所盛的试剂是 (填 “水”或“浓硫酸”)。 ( 3)稀释时,若两种试剂添加顺序颠倒,将会发生 ( 4)在稀释浓硫酸过程中仪器a要 不断 。将浓硫酸滴在纸张、木材等物质上,能使其碳化,说明浓硫酸具有 性 。 ( 5)如果不慎有少量的浓硫酸沾到皮肤或衣服上应如何处理:
【单选题】Cusomers are tried of the ________ , fast-talking salesperson.
【单选题】What are the two speakers talking about?