Question: Read the following article and answer the question. Article: The seas and rivers are being poisoned by radioactive wastes, by chemical discharges and by the dumping of dangerous raw swage . The air we breathe is polluted by smoke and fumes from factories and motor vehicles; even the rain is poisoned. It's little wonder forests and lakes are being destroyed and everywhere wildlife is disappearing, and yet the destruction continues. Governments and industries throughout the world are intensifying their efforts to extract the earth's mineral riches and to destroy its living resources. The great rain-forest and the frozen continents alike are seriously threatened, despite the warnings of the scientific community and the deep concern of millions of ordinary people. In fact, we can create environmentally clean industries, use the power of the sun, wind and waves for our energy needs and manage the finite resources of the earth in a way that will safeguard our future and protect all the rich variety of life-forms which share this planet with us. Question: The earth's resources . Answer:
OPTIONS:
- should be only for the people
- can be made to last longer
- will last forever
- belong to just humans and animals
Answer: can be made to last longer

Question: Read the following article and answer the question. Article: For an increasing number of students at American universities , Old is suddenly in . The reason in clear : the aging of prefix = st1 /Americameans jobs . Besides the aging of the body--boom population , a longer life means that the nation's elderly population is certain to grow greatly over the next 50 years . By 2050, 25 percent of all Americans will be older than 65 , up from 14 percent in 1995. The change causes some questions for government and society , of course . But it also creates jobs in medicine and health fields , and in law and business as well. "Besides the doctors , we're going to need more sociologists , biologists , city planners and lawyers," says Professor Edward Schneider of the University of Southern California's (USC) School of Gerontology . Lawyers can major in "elder law" , which covers everything including nursing-home abuse and age discrimination . Businessmen see huge opportunities in the elder market because the baby boomers , 74 million strong , are likely to be the wealthiest group of retires in human history. "Any student who combines an expert knowledge in gerontology with , say , an MBA or law degree will have a license to print money," one professor says . Margarite Santosis a 21-year-old senior at USC. She began college as a biology major but found she was "really bored with biology". So the took a class in gerontology and discovered that she liked it . She says, "I did volunteer work in retirement homes and in was very satisfying." Question: "...Old is suddenly in" (Line 1, Para.1) most probably means "_" Answer:
OPTIONS:
- America has suddenly become a nation of old people
- gerontorogy has suddenly become popular
- more elderly professors are found in American colleges
- older students begin to be admitted into American colleges
Answer: gerontorogy has suddenly become popular

Question: Read the following article and answer the question. Article: Janice is an American engineer working in Nanjing. She and her husband George, who is teaching English at a university, have been eager to get to know Chinese people better, so they were pleased when Liu, Janice's young co-worker, invited them to her home for dinner. When they arrived, Liu introduced them to her husband Yang and asked them to sit down at a table containing eight plates of various cold dishes. Half an hour later she came back and sat down and the three began to eat. Yang came in from time to time, putting hot dishes on the table. Most of the food was wonderful, though neither George nor Janice could eat the fatty pork, and there was much more than they could eat. They kept wishing Yang would sit down so they could talk to him. Finally he did sit down to eat a bit, but soon it was time to go home. Janice and George felt slightly depressed by this experience, but returned the invitation two weeks later. They decided to make a nice American meal and felt lucky to find olives, crackers , tomato juice, and even some cheese in the shop. They put these out as appetizers . For the main course they prepared spaghetti and a salad. When Liu and Yang arrived and began to have dinner, they took small tastes of the appetizers and seemed surprised when both George and Janice sat down with them. They ate only a little spaghetti and didn't finish the salad on their plates. After a while, George cleared the table and served coffee and pastries . Yang and Liu each put four spoons of sugar into their coffee but didn't drink much of it and ate only a bite or two of pastry. After they left, George and Janice were upset. " We left their place so full but they're going to have to eat again when they get home. What went wrong? Question: What do we know about the dinner at Liu's home? Answer:
OPTIONS:
- It lasted about half an hour.
- There were eight dishes in all.
- the hot dishes were mainly cooked by Yang.
- Many dishes were cooked in American style.
Answer:
the hot dishes were mainly cooked by Yang.