I'm Li Hua. Recently we had a discussion _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

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Li Hua

   Driverless technology will soon enter another major global industry: shipping. Several companies recently announced plans to launch self-sailing ships to improve safety and efficiency.

Kongsberg developed the ship's electrical technology and autonomous control systems. The ship is fully electric to reduce air pollution. It is designed to carry goods containers normally transported by truck. This means the ship will also improve road safety by replacing about 40, 000 truck trips a year. The company plans to operate the ships by far-away control beginning sometime next year. By 2020, the ships should be loading and sailing themselves. While Yara's ships will be limited to Norway at first, the company plans to greatly expand its autonomous shipping operations in the coming years.

Another company putting a high priority（优先）to self-sailing ships is the world's largest mining company, Australia's BHP Billiton. The company's Vice President of Freight, Rashpal Bhai, recently spoke about the technology in a website post. Bhatti believes automation will be one of the biggest changes for shipping in the future. He said, "Autonomous ships offer important opportunities to improve safety and provide more effective results to the supply chain of the sea. "He added that self-sailing ships could become a reality within the next decade.

Rolls-Royce, the British automobile and engine manufacturer（制造商）, is also developing unmanned（无人驾驶的）shipping technologies. Oskar Levander is the company's head of operations at sea. He said in a conference last year, "This is happening. It's not if, it's when. "

Levander said these autonomous ships could be controlled by far-away operators from anywhere. He added, "Because these ships will be designed to be unmanned, they can be built smaller, more efficient and environmentally friendly. "

   Onions make you cry, add flavor to food and win popularity for their medicinal benefits. Now the vegetable has another use—_____ green energy.

Anew system debuts（首次亮相）on Friday that _____ onion juice into electricity at Gills Onions, the largest fresh onion processor in the United States.

The Oxnard, California-based company _____ its new onion-fueled power to reduce its electric bill by $700,000 a year and _____ its annual greenhouse gas emissions by up to 30,000 tons.

The _____ ending to this green energy tale, however, started with another question: how to _____ onion waste.

“_____ we peel an onion, 35 to 40 percent of the onion comes off before we have a(n)_____ onion. That's the top, tail and skin around the onion, and _____ we can get to the meat,” said Steven Gill, co-owner of the 25-year-old company.

They used to pull the waste to the fields for compost（混合肥料）, but that turned out to be a tough ______. Ten years ago, Gill started looking at technology for a(n) _____, including microturbines（微型燃气轮机）.

“We ______ cutting the skins into pieces and extracting all the ______, which is very high in sugars, and bacteria love that stuff,” Gill said.

In the new system, bacteria ______ methane（甲烷）gas from the juice. The gas then goes to two 300 kilowatt fuel cells, creating ______ power for 460 homes. If everything goes smoothly, ______ are that the company will get 35 to 40 percent of its electricity from the on-site generator.

The company ______ $ 9. 5 million in the project and will receive $2. 7 million from Southern California Gas Co. _____ cutting its electric bill, the company will save $400,000 in costs and expects paybacks in the new future.

The onion grower now has a new ______: to be a zero-waste facility in the coming decade.

“We want to ______ it all the way through and make the full circle,” Gill said.

China's first manned spaceship lifted off at 9 a. m. on Wednesday, October 15th, 2003 in Jiuquan, Gansu Province. It carried China's first astronaut, Yang Liwei, 【小题1】 was a pilot in the army. The launch was 【小题2】（success）. "When the spaceship separated 【小题3】 the rocket, I suddenly got 【小题4】 feeling of soaring into the sky because of the zero gravity, "said Yang Liwei. The Shenzhou V circled the earth 14 times. When the spaceship 【小题5】（do）its seventh circle, Yang showed the flags of China and the United Nations, 【小题6】（express）the wishes of the Chinese people 【小题7】（explore）and use space 【小题8】（peaceful）. Yang landed in Inner Mongolia safely at 6：23 a. m. on October 16th. He told 【小题9】（report）that when Shenzhou V let out its parachute, he felt the ship was shaking. Millions of people all over China were watching TV when the spaceship landed safely. Yang was happy to return home 【小题10】 he thought 21 hours was too short to stay in space.