Organic farming（OF）is a farming system     1     uses environmentally friendly methods of weed, pest, and disease control. The principles and practices of OF     2     （express）in the standards of International Federation of Organic Agriculture Movements（IFOAM）as the principle of health, ecology, fairness, and care. The organic movement began after 1920, as     3     reaction by individual agricultural scientists and farmers against industrialized agriculture. Three important movements have been received within first half of the twentieth century: biodynamic, organic,     4     biological agriculture. In 1998, IFOAM     5     （adopt）basic standards for OF and processing. Organic production     6     （method）are those where at least 95% of the ingredients of     7     （agriculture）origin are organic. Organic content less than 70% in products may not refer     8     organic production methods.

All countries have established special logos for organic production     9     （indicate）that products are covered by the inspection scheme. Certified OF is now practiced in approximately 120 countries of the world. According to the last survey, more than 31 million ha is currently managed organically by at least 623 174 farms worldwide.

Enhanced soil fertility and higher floral and faunal（动物群的）     10     （diverse）were found in OF experiments.

China is already at work on developing an even faster bullet train, which will be known     1     the CR 450, according to a national political adviser.

Zhao Hongwei, chief researcher of the China Academy of Railway Sciences, told China Daily the more     2     (advance) model, which has a top operating speed of 400 kilometers per hour and the potential     3     (reach) speed of up to 450 km/h, will soon be unveiled.

“By the time the CR450     4     (come) into operation, the national railway network will have been extended to 165,000 km, 50,000 km of     5     will be high-speed lines.” Zhao said. “We have no     6     (refer) from other countries to work from, so we have to be pioneers and find the solutions needed to build a train capable of a speed of 400 km/h.”

The noise level at this speed is capped (以……为上限) at 3 decibels higher than     7     on a train traveling at 350 km/h, which is as fast as current highspeed trains can run in China. Zhao also called for improving the standards system for railways and     8     (promote) international recognition of the system’s safety certification.

As     9     result of significant progress and major breakthroughs     10     (achieve) in a short period, China has the most comprehensive technology and the widest railway management experience in the world, according to China State Railway Group.

In April, the planting season     1    (start) on an ecological(生态) farm in a northeastern village of Beijing.

Being ecological, the farm doesn’t use chemical fertilizers, herbicides and pesticides, reducing pollution and carbon emissions as much     2     possible during production.

The     3    (farm) owner Shi Yan, 41, has been promoting ecological farming in China for over a decade. She has just finished the 44th training program for “new farmers”     4     want to run ecological farms like Shi.

“In the past century, some agricultural production methods     5    (have) a negative impact on the environment and people’s health,” she said, adding that it is why so many people are interested in ecological agriculture     6     present, which could make some positive changes.

    7     (advance) green development in the agricultural area, China aims to build 1,000 national ecological farms and 10,000 at the local level across the nation by 2025, according to the Ministry of Agriculture and Rural Affairs. Last year, Shi’s farm has been recognized as one of the national-level farms.

Shi has been heavily reported during the past decade for    8    (be) a “farmer” who holds a doctoral degree in agriculture. Her passion for ecological farming was kindle back in 2008,     9     she first experienced community-supported agriculture (CSA) in the United States.

With CSA, farmers and a community of individuals provide mutual support and share the risks and    10    (benefit) of a farm’s operation. Farmers promise to produce agricultural products without using chemicals, and community members enjoy the supply of fresh, safe food from the farm.

Yan’an is known to most people     1     an old, important revolutionary base, but this mountainous city in Northwest China’s Shaanxi has other things to offer than its     2     (rich) in revolutionary history and spirits-the sweet and juicy Luochuan apples that so far     3     (gain) fame and are sold to some 20 countries and regions worldwide.

Luochuan is a county of Yan’an,     4     has become a model again in the nation’s latest strategy toward rural revitalization (振兴). Arriving in early August, the Global Times reporter saw numerous colored bags     5     (hang) on short trees in fields alongside the village roads. But the reporter also noticed     6     strange thing—there were white fishnet-like objects attached to poles in the trees.

Asi village Party chief Li Baoyin told the Global Times that they are an adapted apple strain which is shorter, having smaller crown (树冠), and     7     (quick) to bear fruits. Apples are usually bagged to stop birds and insects from eating     8     (they). A shorter plant and smaller crown mean the bagging and unbagging will be easier     9     the task needs fewer than half of the workers. The fishnet-like objects are established     10     (prevent) hailstorms ((冰雹), which occur every so often in Shaanxi in late summer and early fall.