书城教材教辅科学读本(英文原版)(套装1-6册)
47723000000073

第73章 第一册(73)

Coal is found in beds or layers hundreds of feet deep in the earth. The shaft of the mine is the great pit, which stretches down to the coal-bed. The miners go up and down the shaft in great cages. At the bottom of the shaft they dig out wide roads and streets in the solid coal.

Lesson 36

The Mine and the Miners

"I am glad," said Willie, "you were not with us in school today, Norah. Oh, we had such a fright for a minute.""What was it?" asked Norah.