Ⅰ.单词拼写
1.Changes in the climate are due to pollution of the atmosphere(大气).
2.The lunar(月球的) stone is different from earth’s.
3.On the eve(前夕) of her departure he gave her a little parcel.
4.Address an envelope(信封) and put the letter in it.
5.She turned away her face with a merry(愉快的),ringing laugh.
6.The crowd of demonstrators marched(行进) along the main street.
7.He likes,and is good at solving riddles(谜).
8.It is not clear what these symbols were intended to represent(代表).