科技英语系列读物 第3辑 第2分册 人类征服宇宙PDF电子书下载

Contents 1

Introduction 1

1．The First Problems 1

2．The First Satellites in Space 12

3．The First Man in Space 20

4．The Way to the Moon 30

5．Training the Astronauts 41

6．Flights in Preparation for the Journey 50

7．Ready for the Flight 65

8．The Journey to the Moon 78

9．On the Moon 93

10．Home Again 111

11．More Moon Adventures 119

12．The Space Age 137

Glossary 150