单词拼写（每小题1分，满分10分）
小题1:US First lady Michelle Obama was in China for an o__________ visit to expand Sino-American relations last month.
小题2:It’s hard to imagine how this peaceful volcano d___________ the whole city.
小题3:U___________, the hero was drowned after he saved the drowning girl.
小题4:The woman changed her hairstyle, so that no one could r___________ her at first sight.
小题5:I’m afraid it isn’t a c___________ time; could we fix another day?
小题6:Practice speaking English as often as possible, and _____________(渐渐地) you will find your spoken English improving.
小题7:In the 1950s the Chinese government introduced _____________(简化) Chinese characters.
小题8:______________(如今)South Korean plays are becoming more and more popular.
小题9:On realizing they had got lost, the team ____________(惊慌). They should have stayed calm.
小题10:It couldn’t be the ____________(词汇) that caused you the problem in the exercise because you know a lot of words.