单词拼写（共10小题，每题1.5分，满分15分）
小题1:Don’t e_____ your skin to direct sunlight, or you’ll get sunburnt.
小题2:The scientist often ______(向……投稿) to an academic journal.
小题3:Only by s_____ training can Liu Xiang make such rapid progress in 110-meter hurdles.
小题4:If we were too _____(小心的) , we might lose a good business opportunity.
小题5:The new school is under c_____ and it is said that it will be the biggest one when completed.
小题6:We have provided seats for the _____(方便
) of our customers.
小题7:Animals in zoos are not in their natural s_____.(环境)
小题8: He is a man who is _____（乐观的） about life.
小题9: _____（在……之前） to leaving for France, he studied a lot about the country.
小题10:She is c______ changing her min
d so no one knows what her final decision is.
