目录 2
前言 2
一、阅读理解 2
1．Different Time Zones 2
2．The Ocean and the Atmosphere 4
3．Gravity 6
4．Heat under Your Feet 8
5．Weather Report 10
6．Weather Report 12
7．The Sky 13
8．Stars 15
9．The Sun s Family 17
10．What the Sun Says 20
11．The Sun 22
12．The Double Sun 24
13．The Sun and the Moon 26
14．The Moon 29
15．More About the Moon 31
16．The Temperature on the Moon 34
17．A Trip to the Moon 36
18．The First Men to the Moon 38
19．Can We Travel to Faraway Stars? 40
20．Venus 42
21．Mars 44
22．Life on Mars? 46
23．A Letter from Mars 49
24．Pieces of Comet Hit Jupiter 51
25．Rockets in the Universe 53
26．The UFO 55
27．Atoms 57
28．Electrons 59
29．Laser 61
30．The Computer 63
31．Computers Used to Control Traffic 65
32．Computer Virus 68
33．A New Type of Key 71
34．Scientist s Language 73
35．The Engine for Space 75
36．The Story of“Zero” 78
37．Heartbeating 80
38．Sleep 82
39．On Sleep 84
40．Red Blood Cells 86
41．Light 88
42．Physical Phenomenon 90
43．Radio Waves 92
44．CATV 94
45．Colors 97
46．Energy 99
47．Lightning 101
48．Natural Resources 104
49．Plants 106
50．The Biggest Tree 108
51．A Strange Tree 110
52．A Lesson from Nature 112
53．Function of Trees 115
54．Water and Plants 118
55．Warm water Freezes First 120
56．Heat Makes Things Larger 122
57．Water 124
58．Antifreeze 126
59．How Fire Began 128
60．Tornado 130
61．The History of Papermaking 132
62．Cars 134
63．Glass 136
64．Population Growth in China 139
65．Pollution 141
66．Indoor Air Pollution and Green Plants 143
67．Dirty Air 145
68．Population,Technology and Pollution 147
69．Noise 149
70．Germs 152
二、完形填空 156
71．The Universe 156
72．The World of Chemistry 158
73．Population 160
74．The Computer 161
75．Dr Robot 163
76．Radio and Television 165
77．About Air 167
78．Wind 169
79．On Fire 171
80．About Fire 173
81．Earthquakes 175
82．The Sea 177
83．The Earth and the Sun 178
84．The Sun 180
85．Can a Computer Think? 182
86．Earthquakes 184
87．Air Pollution 186
88．Water Is Important 188
89．How People Count Things 190
90．Weather Satellites 193
91．Rockets 195
92．The World Is Thirsty for Water 197
93．Weather 199
94．Salt 202
95．Blood 205
三、短文改错 208
96．Solid,Liquid and Gas 208
97．Plants 209
98．The Computer in the Office 211
99．Stars 212
100．The Stars 213
101．Science 214
102．Summer Time Shedule 215
103．Rockets 217
参考答案 219