单词：Reiter complement fixation test
单词：Reiter complement fixation test 相关文章
Henry went out to the front of the apartment building and turned off the main water valve. No one was home in the building except Stanley, so Henry didnt have to warn the neighbors about the shutoff. Back in the bathroom, Henry flushed the toilet. Th
365个英语简短小故事
Stanley had just finished brushing his teeth. He noticed water flowing into the toilet bowl. That's strange, he thought. The water continued to seep into the bowl. Stanley lifted the toilet tank top. The tank was half full, but the water was slowly r
365个英语简短小故事
She said the gulf disaster wasn't a big problem. How can you say that? he asked. Millions of gallons of oil are pouring into the ocean. She said it was a big ocean. The oil spill was a drop in the bucket. Besides, oil and water are natural, she said,
原版英语小短文
Broadcast: May 12, 2003 By Jill Moss This is the VOA Special English Development Report. Each year, millions of people in Bangladesh drink ground water that has been polluted by naturally high levels
VOA2003（上）-社会广角
By Nico Colombant Niger Delta, Nigeria 24 May 2007 Environmental awareness is growing in Nigeria's oil-rich Niger Delta, as well as anger over spills and drastic changes to the region's ecosystem. VOA's Nico Colombant reports from the towns of Ikaram
2007年VOA标准英语（五月）