3． to power 掌权

　　4． the area of 在......领域

　　5． accident 偶然地

　　6．be war with 与......交战

　　7．be diagnosed 被诊断出，患有

　　根据提示补全下列教材原句

　　1. in a wheelchair and through a special computer，he has become the voice of science.

　　尽管他行动靠轮椅，讲话靠特殊的电脑，却成了科学巨匠。

　　2．The tubes were attached to a long stick which helped in a straight direction.

　　箭管被绑在一根长棍上，这根长棍能使火箭沿直线移动。

　　3．But wanted to use rockets in battles.

　　但是并不是所有的人都想在战争中使用火箭。

　　4．Or was he carried miles into space， ？

　　他是否会运载数英里进入太空，成为世界上第一位宇航员呢？

　　【答案】　1.Moving；speaking　2.keep the rocket moving　3.not everybody　4.becoming the world's first astronaut

　　　 阅读P39教材课文，选择最佳答案

　　1．Of the uses of the rockets，which one is NOT mentioned?

　　A．In battles.

　　B．In firework displays.

　　C．In sending visitors into space.

　　D．In the military.

2．Rockets were probably invented about 2，000 years ago.