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 oofficial visit to expand Sino-American relations last month.
【小题2】It’s hard to imagine how this peaceful volcano ddestroyed the whole city.
【小题3】UUnfortunately , the hero was drowned after he saved the drowning girl.
【小题4】The woman changed her hairstyle, so that no one could rrecognize her at first sight.
【小题5】I’m afraid it isn’t a cconvenient time; could we fix another day?
【小题6】Practice speaking English as often as possible, and gradually (渐渐地) you will find your spoken English improving.
【小题7】In the 1950s the Chinese government introduced simplified (简化) Chinese characters.
【小题8】Nowadays (如今)South Korean plays are being more and more popular.
【小题9】On realizing they had got lost, the team panicked (惊慌). They should have stayed calm.
【小题10】It couldn’t be the vocabulary (词汇) that caused you the problem in the exercise because you know a lot of words.
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解析：
【小题1】句意：美国第一夫人米歇尔·奥巴马在中国上月为扩大中美关系进行正式访问。考查形容词“正式的，官方的”：official。
【小题2】很难想象这个宁静的火山是怎么破花整个城市的。考查动词“破坏”：用一般过去式：destroyed。
【小题3】不幸的是，这个英雄在救了溺水女孩后自己丧生了。考查副词“不幸的是”：Unfortunately。
【小题4】这个妇女变化了发型，所以没有人第一眼就认出她。考查动词“识别，认出”：recognize。
【小题5】恐怕这个时候不方便，我们改个时间好吗？考查形容词“方便的”：convenient 。
【小题6】经常练习说英语，逐渐地你就会发现英语口语提高了。考查副词“逐渐地”：gradually。
【小题7】在20世纪50年代，中国政府介绍了简化汉字。用形容词“简化的”： simplified。
【小题8】如今，韩剧越来越受欢迎。考查名词“如今，现在”：Nowadays。
【小题9】一意识到迷路了，这个团队的人就惊慌了，他们应该保持冷静的。考查动词“惊慌”，根据had got lost可知用一般过去式：panicked。
【小题10】不可能是词汇导致你练习中的问题，因为你知道很多单词。考查名词“词汇量”：vocabulary 。