阅读下面文言文，回答问题。
                                                                                                                      郑絪^①
        刘瞻之先^②，寒士也。十许岁，在郑絪左右主笔砚。十八九，絪为御史，巡荆部商山^③，歇马亭，俯瞰山水。时雨霁，岩峦奇秀，泉石甚佳。絪坐久，起行五六里。曰：“此胜概^④，不能吟咏，必晚何妨？”却返于亭，欲题诗。顾见一绝，染翰尚湿。絪大讶其佳绝。时南北无行人左右曰但刘景在后行二三里。公戏之曰：“莫是尔否？”景拜曰：“实见侍御吟赏起^⑤予，辄有寓题。”引咎又拜。公咨嗟久之而去。比回京阙，戒子弟涵、瀚已下曰：“刘景他日有奇才，文学必超异。自此可令与汝共处于学院，寝馔^⑥一切，无异尔辈。吾亦不复指使。”至三数年，所成文章，皆辞理优壮。凡再举成名，公召辟法寺学省清级。
（选自《太平广记》）
【注释】①絪：念yīn。　②刘瞻之先：指刘瞻的父亲，即刘景。 ③荆部商山：地名。④概：景象。      ⑤起：启发。 ⑥馔：念zhuàn，食物。

若方程组$\left\{\begin{array}{c}5x-4y=m\\ 3x+5y=8\end{array}\right.$中x与y的值相等，则m的值是（　　）

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

    All scientists subscribe ____ the view that it is human activities that have caused the global warming. Huge ____ (quantity) of carbon dioxide produced by burning fuels like coal,  natural gas and oil ____ (result) in the "greenhouse effect". All scientists also agree that the levels of carbon dioxide keep on ____ (increase), so more heat energy tends to be ____ (trap) in the atmosphere. ____ the scientists have different attitudes towards this phenomenon. On the one hand, some think the ____ of increasing the temperature by 5 degrees would be a catastrophe. On the other hand, others are ____ to this view and believe that there will be few bad environmental ____ caused by more carbon dioxide. On the contrary, they think it will be beneficial to plants, crops and a greater range of animals, ____ will make people's life better.