单词:
单词: 相关文章
Gene-edited Food Will Arrive Soon, But Will People Eat It? Foods based on the latest biotechnologies will soon be available in grocery stores around the country. The first foods from plants or animals that have had their genetic material, or DNA, edi
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
By Nick Wadhams Nairobi 17 July 2007 Conservation groups are up in arms about a proposal to build a soda ash plant on the shores of a lake in Tanzania that is among the world's most important flamingo breeding grounds. Nick Wadhams reports from our E
[00:00.00]Listening Comprehension (20 minutes) [00:-1.00]Section A [00:-2.00]Directions:In this section,you will hear 10 short conversations.At the end of each conversation,a question will be asked about what was said.Both the conversation and the qu
AGRICULTURE REPORT December 17, 2002 — Irradiated Meat This is the VOA Special English Agriculture Report. The United States government has approved methods of destroying bacteria in meat by using r
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