杭州利烨科技有限公司:解决下列单词的问题

以下单词的反义词
1 earliest
2 superficial
3 56Kbps Modem...汗一个……
4 test-tube，俺无能为力，试管没反义词吧?
5 unpeaceful
6 不知道，好像没反义词
7 unvaluable
8 smart, bright...
用以下动词造句
1 clone
It is illegal to clone human beings.
2 endanger
The polluted air in the city is badly endangering the health of the residents.
3 devote
He devoted his life to literature.
4 organise
Jane organised the party. She asked people to come and bought the food and drinks.
用英语解释下列词语（英汉双解）
1 Tibetan
Of or relating to Tibet, the Tibetans, or their language or culture.
西藏的，西藏人的，西藏语人：属于或关于西藏、西藏人、西藏语言或文化的
2 endangerment = danger
Exposure or vulnerability to harm or risk.
危险
3 esosystem 应该是ecosystem吧
An ecological community together with its environment, functioning as a unit.
生态系统：生物群落及其环境形成的生态单位，它作为一个整体发挥作用
4 packaging
The act, process, industry, art, or style of packing.
包装，打包：包装的动作过程、工业、艺术或样式
5 blues
A state of depression or melancholy:
忧郁，郁闷：忧郁或压抑的情绪：
Music A style of music evolved from southern Black American secular songs and usually distinguished by slow tempo and flatted thirds and sevenths.
【音乐】 蓝调音乐，布鲁斯：一种源于美国南部黑人通俗歌曲的音乐风格，通常表现为音速低缓，演奏第三和第七音节的降音调
6 hip-hop
The popular street culture of big-city and especially inner-city youth, characterized by graffiti art, break dancing, and rap music.
嘻哈派：大城市特别是市中心青年中流行的街道文化，特点是各种街道画，霹雳舞和说唱音乐
7 rapper
One who performs rap.
说唱艺人：进行说唱表演的人