5becomeviole
t变得激烈6thesolidsurface固体表面
7explodeloudly猛烈爆炸8i
time及时，最终
9producethewatervapor产生水蒸汽10maketheearth’satmosphere构成了地球的大气层
11cooldow
冷却12o
thesurface在表面13bediffere
tfrom…与……不同
14gorou
dthesu
环绕太阳运转15disappearfrom…从……消失16stayo
…存留在……
17showo
e’squality显现某人的特性18dissolveharmfulgases分解，溶解有害气体
19becomepartof…变成……的一部分20developlife发展生命
21growi
thewater在水里生长22e
couragethedevelopme
tof…鼓励……的发展
23millio
sofyearslater几万年以后24liveo
la
d在陆地上生活
25livei
thesea在海里生存
26growi
toforests长成森林
27produceyou
g生出幼仔
28layeggs下蛋
29a
imalswithha
dsa
dfeet长着手脚的动物30spreadallovertheearth遍布全世界
31develop
ewmethods发展了新的方法
32movearou
d迁徙
33goby过去，推移
34preve
t…from…防止……做……
35escapefrom…i
to…从……逃离到……36depe
do
…依靠，依赖，取决与……
37solveaproblem解决
38beluckye
ough足够幸运39makeatrip去旅行
40visitthemoo
参观月球41i
thespaceship在太空飞船中
42explai
to…that…向……解释……43o
thejour
ey在旅程中
44beoff启程45risei
totheair升人太空46feelthepulloftheearth感觉到地球的拉力
47call…gravity称……为地球引力48push…i
totheseat把……推向座位
49say…toeachother向彼此说……50fallbackto…朝……落下去
51fallfromatree从树上掉下来
52falltothegrou
d朝地上落下去
53getcloseto…接近……54cheerup高兴起来55floatweightlesslyarou
d失重飘来飘去
56i
thespaceshipcabi
太空船舱57watch…do看着……做58movefreely自由的活动
59climbdow
thesteps从梯级上爬下来60stepforward向前迈步61fallover摔倒
62
eedpractice需要练习63gettheha
gof…掌握了……的诀窍64e
joyo
eself感到自如
65leavethemoo
’sgravity摆脱月球引力66comebackto…回到……
重点句子
1Isawseveralyou
gpeoplee
terthewaiti
garealooki
garou
dcuriously
8
f2NotallculturesgreeteachotherthesamewayNoraretheycomfortablei
thesamewaywithtouchi
gordista
cebetwee
people
3Weca
ofte
bewro
gabouteachothersoitisa
amazi
gthi
gthatweu
dersta
deachotheraswellaswedo
4Smilesarou
dtheworldca
befalsehidi
gotherfeeli
gs…The
AkiraNagatafromJapa
camei
smili
g…Istoodforami
utewatchi
gthem…
U
it5
1avarietyof各种各样的……
2charge…for…向……收费
3bebasedo
以……为基础
4
otjust不仅仅
5alo
gr