diver（）

A . detection，defects B . defection，defects C . defects，defection D . defects，detectio

A.they have been in the sea for a long time B.gold and jewels are not valuable things C.some kinds of metals are worth a lot of money D.it is easy to bring up metals

A.the wanner the sea becomes B.the colder they find the sea is C.the less the water above presses down D.the heavier their clothes must be

One day he saw an empty (空的) train and lie climbed (爬) in. It's lied no difficulty in starting it with his feet. goon the train was traveling at forty miles (英里) an hour. The railway officials (官员) could see tile boy in the wain and tried to stop the wain. The train arrived at a small station a little away from the town and then the boy drove it back. When he was near the town. a worker caught up with (追上) the train and stop it. At flint he was very angry (生气). hut he laughed when the boy said simply. "I like trains. "Well. I'm glad you don't like planes？ the worker said. An eleven-year-old boy wished lo he ______. A．a plane driver B．a train driver C．a teacher

A．普遍的 B．不同的，各种各样的 C．走向，朝向的 D．无效选项