单词拼写（10分）
小题1:G changes of climate may have been responsible for the extinction of the dinosaurs.
小题2:Too much salt can be h to a young baby.
小题3:With the d of science, more and more new technologies are playing important roles in people’s life.
小题4:She grew up in a w family, which resulted in the fact that she cared little about money.
小题5:The postman has to get up before d every day in order to deliver the letters in time.
小题6:The skirt is too f for me. I prefer a plain one.
小题7:We have found further scientific e for his experiment.
小题8:We left the forest hungry, so we went to Calistoga in s of a place to eat. Unfortunately, it took us almost two hours to find one.
小题9:The main e to the park is on Gongyuan Road, near the City Railway Station. Admission is free for children under 12.
小题10:After the v quarrel, the young couple realized that their marriage had come to an end.
展开式中，各项系数的和为64，则n等于（）。