问题 选择题

下列词语中,没有错别字的一组是:

A.根深蒂固老态聋钟妍媸毕露撕杀

B.言简意赅著之竹帛烟消云散疮疤

C.震聋发聩芸芸众生斩钉截铁荟萃

D.惊魂甫定流言斐语溘然长逝宛然

答案

答案:B

(A老态龙钟,厮杀;C振聋发聩;D流言蜚语。)

探究题

实验题(5分)

修正液是同学们常用的一种文具,打开后,有刺激性的气味。我们不禁要问:修正液对人体有害吗?请你设计一个实验,对这个问题进行探讨。

【实验材料】修正液、小白鼠6只、米饭、水、关小白鼠的笼子。

【提出问题】                                                                      

【作出假设】                                                                      

【设计方案】                                                                                                                                       

                                                                                                                                   

                                                                                                                                 

【现象】                                                                            

【结论】                                                                         

判断题