单词：
单词： 相关文章
Lesson 7 Bats 蝙蝠 First listen and then answer the following question. 听录音，然后回答以下问题。 In what way does echo-location in bats play an utilitarian role? Not all sounds made by animals serve as language, and we have only to tu
新概念英语第四册
Here are some happy vampire bats. What's causing all this giddiness? A great, big, fat meal has arrived. You can practically hear these bats going Oh, boy! Oh, boy! Better yet, the victim is asleep. This is gonna be like, well, taking blood from a s
国家地理2008年
High Frequency Traders Under Scrutiny 美司法部调查高频交易 The U. S. Justice Department is investigating the relationship between high frequency trading firms and major exchanges -- and regulators in Washington and the state of New York are
VOA标准英语2014年(四月)
美司法部调查高频交易 The U. S. Justice Department is investigating the relationship between high frequency trading firms and major exchanges -- and regulators in Washington and the state of New York are taking aim at them as well. At issue
VOA双语新闻 2014年4月
Todd: I usually get home from work at about 6:30 and when I get home the first thing I like to do is go jogging. Fortunately, my apartment is near a river and I go jogging on the river at night. It's really beautiful. It's really green. There's lots
实战口语情景对话
Two Bats两只蝙蝠Two vampire bats wake up in the middle of the night, thirsty for blood. One says, Lets fly out of the cave and get some blood.两只吸血蝙蝠在半夜醒来，想要喝血。一只蝙蝠说：我们飞到洞外去找些血喝。
英语小达人