the development of science and technology makes our life comfortable and convenient.however,scient**ts h**e created many problems,which are not easy to be resolved,such as air pollution,the deteriorat...
cycling through theair 在空中骑自行车the hatheld puffin ** amodern aero-plane, but its designer, mr john wimpenny, ** finding it difficultto get it off the ground. the reason for th** ** that th** plane ** a...
beloved robert: serve as me in th** paragraph of financial cr**** , receive your incoming letter i am elated. when you ask about an impact of my financial cr**** over my family, sorrowfulness that i f...
japan lies to the east of china. it's our nei**our. japan ** an **land country, with a population of 120 million and an area of 370 thousand square kilometers. tokyo ** the capital of japan. fuji...
1、** it proper to keep a petnowadays, more and more people keep pets, they keep pets to make their lives not so boring , but with the happiness which ** brought by pets, there are also problems which ...