In 1998 I took part in a national English competition for high school students. I was 7th in the country.
1998年，我参加了全国高中生英语竞赛，获得了第7名。
A former kingdom of western Africa, now part of Nigeria. It flourished from the 4th to the 7th century.
西非一个前王国，今为尼日利亚一部分。从4到7世纪为其繁盛期。
The third part (the 6th and 7th chapters) is for a practical application, in which hollow laser beams have been analyzed and designed in terms of the matrix eigenvalue method.
第三部分（第六、七章）根据矩阵本征值方法分析和设计空心激光光束。
The 4th to 7th part of Dart Three has elucidated the effective integration of IT& all the teaching elements, such as the ideas of teaching, the teaching objectives, the models, and the resources, etc.
第四节到第七节，具体论述了信息技术与教学观念、 教学目标、 教学模式、 教学资源等教学诸环节的有效整合。
The 4th to 7th part of Dart Three has elucidated the effective integration of IT& all the teaching elements, such as the ideas of teaching, the teaching objectives, the models, and the resources, etc.
第四节到第七节，具体论述了信息技术与教学观念、 教学目标、 教学模式、 教学资源等教学诸环节的有效整合。
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