positive: The third plane was flown into the Pentagon, which is a large building near Washington, DC that is the headquarters (or most important building) for the U.S. military.<br>第三架飞机飞向了五角大楼,也就是首都华盛顿附近的大型建筑物,美国军队的总部(或最重要的建筑)。<br>The fourth plane crashed in a field in Pennsylvania, a state that's also in the northeastern part of the country.<br>第四架飞机在宾夕法尼亚州的田野里坠毁,该州也位于美国的东北部。<br>Many people think that the hijackers had wanted to crash that plane into the White House where the president lives, but the people on the plane stopped them from doing that.<br>许多人认为劫机者想要把飞机撞向美国总统居住的白宫,但是机上的人阻止了他们那样做。<br>Almost 3,000 people died in the terrorist attacks that day.<br>那天将近有三千人死于这次恐怖袭击。<br>The attacks had a big effect on the economy, too.<br>这次袭击对经济也有着很大的影响。<br>Many businesses in the World Trade Center and nearby buildings had to close because they had too much damage and they had lost too many employees.<br>世界贸易中心及邻近大厦里的许多企业都不得不关门,因为他们受到了重创,他们损失了太多的雇员。<br>All airplanes were grounded, meaning that they we
negative: 现在我们买了房子都会考虑给自己新家装个防盗窗,这样更安全,但是面临着装室内还是室外好的问题,今天就让老师傅说说到底有什么区别。希望师傅邦家居医生app的分享对即将装防盗窗的朋友有帮助。<br>一、安全防盗性能分析<br>众所周知防盗网顾名思义就是为了防盗,如果防盗窗安装在室外,不法分子盗贼很简单就能触碰到,那要损坏盗窃起来会不会更简单?可是如果防盗网是安装在内部的话,想到入屋盗窃只能破坏玻璃外,才能破坏防盗网,所以内装防盗窗的防盗性还是更强的。<br>二、从小区整体外观效果分析<br>防盗窗安装在室内,不会因为业主选择的防盗网五花八门而影响小区建筑外表的整体效果,能够保持整体建筑远观的整洁和设计风格,也能够减少业主和物业的矛盾,所以防盗窗内装必定是未来的发展趋势。<br>三、产品使用寿命年限<br>防盗网经过日晒雨淋,再加上室自然温度环境条件天壤之别,防盗网内装就可以足够避免日晒雨淋。增长了使用年限和寿命,安全性能也能大大提升。<br>四、开关操作方面分析<br>现在防盗网内装都是用的活动防盗窗,业主可以随时想打开就打开,想锁就锁,这样可以让业主操作的更加方便,而且这样打扫起来既不费力,防盗网也可以擦拭干净。而且防盗门能够随时打开,这样室内的采光和通风效果也更好,避免室外装防盗窗带来的牢笼感和压抑感。<br>五、集体安全性分析<br>如果大家都是外装防盗窗的话,会成为盗贼盗窃的阶梯,小偷可以通过攀登低层的防盗窗而成功盗窃上面楼层的住户。安装室内防盗窗的话,就额可以完全的避免这种隐患,大大的提高了小区用户集体安全性。<br>六、清洁卫生方面分析<br>内装防盗窗更加利于清洁卫生,完全避免室外防盗窗难于打理带来的困扰和危险因素。