UNIT 6

本文の内容と一致するものにはＴ，一致しないものにはＦと書きなさい。
1.To provide a large amount of power at times of peak usage, we have only to use “pumped-storage hydropower.”（　　）
2.Today’s batteries can store and discharge a very large amount of energy, so we don’t have to use old-fashioned PSH. （　　）
3.Instead of the old type of PSH which costs a lot, researchers and developers installed new types of PSH underground. （　　）
4.To improve the efficiency of CAES, some engineers are trying to develop a system of reusing the heat released during compression.（　　）
5.A system which uses argon gas works to supply electricity steadily and economically every day. （　　）