Ⅰ.词汇知识
1. a________occurring or happening every year or once a year
2.g________
(physics)the force of attraction between all masses in the universe;especially the attraction of the earth’s mass for bodies near its surface
3.i________
unfavorable to life or growth
4.e________
far from what is usual
5.b________
to get into a steady position without falling to one side or the other
6.r________
total amount of rain falling within a given area in a given time
7.d________
distance from the top down
8.m________
large number;involving a large number of people
答案:1.annual 2.gravity 3.inhospitable 4.extreme
5.balance 6.rainfall 7.depth 8.mass
Ⅱ.重点短语
1.close ________靠近;接近;差不多
2.cut...________ two
把……切割分成两部分
3.________ a...state
处于……的状态
4.________ average
平均;按平均计算
5.adapt ________
使适应;适应
6.be made ________
由……组成
7.be trapped ________
被……困住/陷住
8.stand ________
突出,显眼;超出
9.________ foot on
踏上;涉足
10.keep one’s ________
保持平衡
11.________ the form of
以……的形式
12.________ particular
特别
答案:1.to 2.in 3.in 4.on 5.to 6.up of 7.in
8.out 9.set 10.balance 11.in 12.in
Ⅲ.必背句型
1.____________zero,Antarctica is technically a desert.
南极洲年降雨量几乎为零,严格来说该区域就是一片荒漠。
答案:With annual rainfall close to
2.____________ about 14 million square kilometres around the South Pole,it is the fifth largest continent in the world.
(南极洲)覆盖南极周围约1400万平方公里的面积,它是世界第五大洲。
答案:Covering
3.____________ is covered permanently in the ice cap.
南极洲98%的表面被冰帽永久地覆盖着。
答案:98% of the surface
4.Strong winds driven by gravity blow from the pole to the coastline,____________ other winds blow round the coast.
受地球重力影响,会有暴风从极地吹向海岸,同时也有其他方向吹来的风。
答案:while
5.____________ imagine a more inhospitable place.
很难想像地球上还有比南极洲条件更为恶劣的地方了。
答案:It is difficult to
6.Antarctica was ____________.
南极洲是最后一块被发现的大陆。
答案:the last continent to be discovered
7.____________the British explorer James Cook cross the Antarctic Circle,but he never saw land.
直到18世纪末,英国探险家詹姆斯·库克才穿越了南极圈,但他却从未看到任何陆地。
答案:Not until the late 18th century did
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