题目内容：

    African swine fever has wiped out a third of China's pig population. Now government officials are discussing dramatic steps to stabilize the world’s largest pork market. Pork is a huge deal in China. The country is home to half of all the pigs on the planet .The meat is a staple of the Chinese diet, which means its scarcity could damage China's social stability. The outbreak of swine fever also threatens the global pork supply chain.

While Chinese authorities have already made plans to support the pig farms and families who may struggle with soaring prices, they re stepping up efforts to deal with the crisis.

The price sellers pay for pork has risen nearly 70% in the last year. And the average price that distributors pay suppliers was up 90% in the last week of August compared to a year ago, according to government data. Analysts say prices could yet go even higher.

The government on Wednesday announced more measures to encourage pig farmers and producers to breed more baby pigs. But they may need to go even further to fill the gap. Authorities have promised to release the government's emergency reserves of frozen pig meat if necessary. Ministry of Commerce spokesman Gao Feng said last week that the agency will “closely monitor market developments” before it makes such a decision.

It's difficult to overstate the scale of the problem. As of July, China had lost more than 100 million pigs in the last year, according to the data released Tuesday by the country’s agricultural ministry. Part of the problem is that farmers aren’t refilling their pig farms after the sick animals die, according to China’s agricultural ministry. That has pressured Chinese authorities to explore ways to encourage farmers and producers to breed more baby pigs. The finance and agricultural ministries on Wednesday asked local governments to free up money that could be used for artificial insemination (人工授精) technology.

The ministries also called on local officials to accelerate the distribution of subsidies (补贴) to farms where pigs have been killed because of sickness. And the Beijing government plans to increase loan support and insurance coverage for pig producers nationwide.

1.What is the possible consequence of the reduction in China’s pig population?

A.A lack of diversity of meat.

B.Dramatic drop in the pork price.

C.Instability of the Chinese society.

D.The boom of global pork supply chain.

2.Which is a measure of the government to address the problem?

A.To release the emergency reserves of fresh meat.

B.To fund artificial insemination technology.

C.To offer free loan support to pig farmers.

D.To limit the pork price at the market.

3.What can be inferred from Paragraph 5?

A.China has lost a large majority of its pigs.

B.The swine problem is not that serious at present.

C.Farmers are unwilling to raise more pigs for fear of further loss.

D.The problem can surely be solved by future technological advance.

4.What is the main idea of the passage?

A.Swine fever threatened the pork supply in the world.

B.China makes efforts to solve the swine problem.

C.China is home to half of all the pigs on the planet.

D.Chinese authorities encourage farmers to breed more baby pigs.