Ⅰ.单词拼写
1．Large dams have harmed Siberia's delicate (脆弱的) ecological balance.
2．The climbers stood on the top of the mountain，gazing at the splendid (壮丽的) view.
3．Sunlight consists of different wavelengths of radiation (辐射)．
4．Because mother is afraid we'll get lost，we aren't allowed to wander (闲逛) far.
5．Sometimes they just drive slowly down the lane enjoying the scenery (风景)．
6．An antelope (羚羊) is an animal like a deer，which lives in Africa or Asia.
7．We needed to reskill our workforce to cope with massive (巨大的) technological change.
8．In the middle to high latitudes，rainfall has risen steadily (平稳地) over the last 20－30 years.
9．The QinghaiTibet railway is the first railway in permafrost(永久冻土层) region in China.
10．The Eiffel Tower is a famous landmark (地标)．
