Ⅰ.单词拼写
根据汉语或首字母提示，写出下列单词
1．Those who have a good command of grammatical competence (能力) may also have a higher level of language ability.
2．They congratulated that surgeon on his appointment (任命) as president of the hospital.
3．A little baby was abandoned (遗弃) by its parents.
4．As we all know，Edison was a great inventor.
5．During her lifetime she had witnessed two world wars.
