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 mind so no one knows what her final decision is.

印刷分色版的明暗变化是用来衡量（）。

A、网目

B、密度梯尺

C、色标

D、星标