理工类辅导资料：疑难问题解答making systems
学员提问：老师，您好！全文最后一句话“making systems that get warnings to those”怎么分析？谢谢
名师解答：
你问的是阅读理解第三十六篇文章最后一句话。
这句话的主干是： making systems.......can be difficult.
其中，that get warnings to those who need them 是定语从句，修饰systems
在这个从句中those 指代上文提到的“人们”who 引导的定语从句who need them修饰those，指的是需要得到预警的人们。
所以，这句话的意思是：使系统发射的预警送达到需要的人群是不容易的。
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the device is currently being tested in a 6-metre-tall artificial clay embankment in newcastle， uk. early results suggest it should provide fewer false positives than existing systems. once it has been carefully and thoroughly tested， the device could be used to create a complete early-warning system for dangerous slopes.
“locations with a significant risk of landslides could definitely benefit from a machine like this， ” says adam poulter， an expert at the british red cross. “as long as it doesn’t cost too much.” but， poulter adds that an early-warning system may not be enough on it own. “you need to have the human communication，” he says. “making systems that get warnings to those who need them can be difficult.”