Unit 2 Crossing limits
Warming up
possession of 占领，占有
in possession of 某人占有，拥有
in the possession of
某物/某人为某人所占有
2. in the name of sb/sth
以…的名义，代表
3．masses of 大量的
a mass of sand/snow 一堆/团/块
4. be rich/poor in 富含/缺乏
5．do research on 进行调查
6. a state key project
一项国家重点项目
7. dig up 挖掘
8. risk one’s life/health to do sth
冒丧失生命，健康之险做某事
equipped with
用…装备，配备
Reading
routes 海路
2. form the foundation for mankind’s greatest endeavour 形成人们努力（探索世界）的基础
ire sb to do鼓舞某人做某事
4.*the Western Ocean 西洋
5. have contacts with
与某人有联系
is well known that …众所周知
7.*the Silk Road 丝绸之路
exchange for 与……交换
9.a central position 中心位置
10.a Chinese ambassador
一个中国大使
11.*the East Roman Empire
东罗马帝国
lop into the world’s trading centre 发展成为世界贸易中心
to 促进，导致
taken prisoner被抓
h out 拓展，伸出
ural relics文化遗迹
from追溯到(没有被动语态)
18.a small bronze statue of a lion 一个小青铜狮雕像
awareness of each other’s existence意识到彼此的存在
time was ripe for a grand meeting. 正式往来的时机成熟了。
h the height of power到达了繁盛时期
a prospered under a new dynasty. 中国的新朝代开始繁荣了。
sure fleets 商船队
24.*sail westwards on voyages of exploration下西洋从事探险
r the command of …在……的领导之下
sail (to / from / for) 起航
w relations重新确立关系
sb. a royal present送某人贵重礼物
a message to sb. 送信
embassies设立使馆
return作为回报
32.a symbolic meaning 象征意义
exchange for goods had a symbolic meaning far more important than the value of the goods themselves货物交流的象征意义比货物本身的价值要重要的多。
A on B A以B为基础
Language Study
1. a large sum of money一大笔钱
2.*Three Gorges Dam 三峡大坝
3. bring up
抚养；提出（议题）；呕吐
4.*the most important Central Asian trade route 最重要的中亚贸易路线
a population of 有。。。人口
（提问用What’s the population of….?）
Integrating skills
h the North and South Poles到达南北极
2 the origins of the world’s major rivers世界上主要河流的源头
such high altitudes 在如此高的海拔高度
not without risk 不无风险
t from除……之外
air稀薄的空气
e mountain sickness引发高原反应
unable to do 没有能力做某事
st to these extreme conditions适应极端的环境
10.a couple of days 几天
such a great height 在这么高的地方
12act as guides充当向导
sty and dedication诚实和奉献精神
them ideal companions使他们成为理想的伴侣
on依靠
up against面对，对抗
h at嘲笑
r to sth/sb as
认为某人某物。。。
out用尽
technological advances in…作出技术的进步
it做成功，达成
make it to +地点 到达某地
eed in doing成功作某事
23.*in attempts to climb the mountain over different slopes尝试从不同的山坡登山
one’s attempt to do 尝试做某事
photos照相
26.a portrait of Chairman Mao Zedong毛主席头像
one’s return返回
praised as national heroes被誉为民族英雄