Ⅰ.用所给词的适当形式填空
1．Wang Wei's dream of going abroad for further study has become a ________ (real)．
2．Habits like this are ________ (universe) among mankind.
3．Many new ________ (apply) have been found for computer since the 1970s.
4．Some day in the future, I'll make the ________ (explore) of the surface of the Moon.
