单词：good breeding
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There are twice as many giant pandas as before. [00:06.73]Section 1 Before You Read [00:09.56]PAIRWORK [00:11.23]A national treasure is something that is [00:13.77]important to a country's history or culture. [00:17.43]Think of three more of China's
初中英语山东版九年级（全一册）
60 part as what were they thinking about zoo's official how we justify killing appropriately healthy giraffe and feeding it to lions when the kids look on. His take and reaction from Jack Anna also ridiculous focus it on. Tonight's story a free 60 fa
CNN2014年(二)月
人工照明能使会唱歌的鸟儿早上更早的开始唱歌，这可能引起什么样的后果呢？究竟是好，还是不好？ Artificial lighting is making songbirds start singing earlier in the day, with possible consequences for breeding.
60秒科学
Puppies born recently in Cambodia are the first mine-clearing dogs to be bred and born in Southeast Asia. Most Asian dogs are unsuited for de-mining, so fully trained dogs are imported, mostly from Europe. But that could change if Cambodia's new bre
VOA标准英语2008年（六月）
There's no solid evidence that video games are bad for people, and they may be positively good 没有任何可靠证据证明电玩游戏有损于人们的身心健康，相反他们或许还能发挥一
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The International Atomic Energy Agency is making a push for an unusual type of technology, using radiation to produce higher yielding and hardier plants. Lisa Bryant has more on the technology that the IAEA says could help reduce hunger affecting mi
VOA标准英语2008年(十二月)