It’s been four and a half months since 46-year-old man called George Floyd died after pleading he co

4. C    5. C    6. D    7. D
【解析】
这是一篇新闻报道。文章主要介绍了4个半月前，46岁的男子George Floyd在哀求一名明尼阿波利斯警官跪在他脖子上时无法呼吸而死亡，这一事件导致了美国大规模的示威活动，在示威过程中民众和警察不断发生冲突。
【4题详解】
词义猜测题。根据第一段中“It’s been four and a half months since 46-year-old man called George Floyd died after pleading he couldn’t breathe as a Minneapolis officer knelt on his neck. (4个半月前，46岁的男子George Floyd在哀求一名明尼阿波利斯警官跪在他脖子上时无法呼吸而死亡)”以及画线词上文“protest the killing and those who died before Floyd as a result of police”可知，Floyd死于警察的暴力对待，所以成千上万的人涌上这个国家的街头，是为了抗议那些在Floyd之前死于警察暴力对待或行为的人。即画线词意思是“暴力对待或行为”。故选C。
【5题详解】
细节理解题。根据第二段中“Police responded forcefully, shooting tear gas and rubber bullets at the crowds and arresting hundreds throughout the countries. (警方强力反击，向人群发射催泪瓦斯和橡皮子弹，在全国各地逮捕了数百人)”可知，警察使用了强有力的措施试图控制局势。故选C。
【6题详解】
细节理解题。根据最后一段中“Just before 8 p.m. Sunday night, armed officers and protesters remained in a standoff in downtown Washington as crowds threw water bottles at police and police responded with flash bangs and pepper spray. (周日晚上快8点时，武装警察和抗议者仍在华盛顿市中心僵持，人群向警察投掷水瓶，警察则用闪光弹和胡椒喷雾回应)”可知，D选项“警方用闪光弹和胡椒喷雾对付暴力行为”正确。故选D。
【7题详解】
主旨大意题。根据第一段“It’s been four and a half months since 46-year-old man called George Floyd died after pleading he couldn’t breathe as a Minneapolis officer knelt on his neck. The four officers involved were fired and Derek Chauvin, who pressed his knee on the man’s neck, was charged with third-degree murder and second-degree manslaughter. In the days since Floyd’s death, thousands poured onto the country’s streets to protest the killing and those who died before Floyd as a result of police brutality. (4个半月前，46岁的男子George Floyd在哀求一名明尼阿波利斯警官跪在他脖子上时无法呼吸而死亡。涉案的四名警官被解职， Derek Chauvin用膝盖压住那名男子的脖子，被控三级谋杀和二级过失杀人罪。在弗洛伊德死后的几天里，成千上万的人涌上这个国家的街头，抗议杀害和那些在弗洛伊德死前死于警察暴行的人)”结合文章主要介绍了4个半月前，46岁的男子George Floyd在哀求一名明尼阿波利斯警官跪在他脖子上时无法呼吸而死亡，这一事件导致了美国大规模的示威活动，在示威过程中民众和警察不断发生冲突。可知，D选项“种族歧视引发暴力”最符合文章标题。故选D。