化学知识广泛应用于生产、生活中,下列叙述不正确的是 A.研发可

化学知识广泛应用于生产、生活中,下列叙述不正确的是

A.研发可降解高分子材料,减少白色污染

B.明矾和ClO2都能作为净水剂,其原理完全相同

C.海水淡化和工业生产及生活废水的再生利用,是解决缺水问题的有效途径

D.液氯罐泄漏时,可将其移入水塘中,并向水塘中加入生石灰

答案

B

相关题目

I was ________ them about my travels ________ she broke in with a story of her
I was ________ them about my travels ________ she broke in with a story of her own on her visit to Hainan. A. to tell; when          B. about to tell; when  C. going to tell; while     D
五四运动的导火线是                          
五四运动的导火线是                                          A.新文化运动的兴起            B.马克思主义在中国的传播
下列句子中,没有错别字的一项是                 
下列句子中,没有错别字的一项是                                   (    ) A.矍铄    挑大梁    抱蔓摘瓜    纷至踏来   
若,则的值为 A.1                  B.-1      
若,则的值为 A.1                  B.-1              C.7                          D.-7
根据拼音写汉字或根据汉字写拼音(4分)迸溅(    )  
根据拼音写汉字或根据汉字写拼音(4分)迸溅(    )     niān(     )轻怕重       xiè(  )渎      差使(    ) 
 —Must I finish my homework now ?  —No , you __________ .  You can do it
 —Must I finish my homework now ?  —No , you __________ .  You can do it tomorrow .  A. can’t          B. needn’t            C.may not           D. mustn
区域既可以按自然要素划分,也可以按人文要素划分。我国
区域既可以按自然要素划分,也可以按人文要素划分。我国地域广阔,各区域间差异明显。读“我国三大自然区划分图”,回答问题。 划分Ⅰ、Ⅱ、Ⅲ
Shortly after the accident, _____ police were sent to the spot to keep order. A
Shortly after the accident, _____ police were sent to the spot to keep order. A. dozens of   B. dozens       C. dozen of     D. dozen

最新题目