Read the following article and select the best answer. Article: The United States is faced with serious traffic problems. Too many cars travel on the freeways to and from the city. This heavy traffic causes delays and lots of pollution from cars that are using their engines but not moving anywhere. Many cars going nowhere is called a "traffic jam." While many cities in the United States have traffic problems, some of the worst are in Los Angeles, California. Los Angeles is a big city with a large downtown area. One of the reasons why there is so much traffic is that few people use public transportation to get around Experts say one possible solution to the traffic problem in Los Angeles would be to make people want to use the public transportation system of buses instead of their own cars. People say the buses should be made easier, faster, less costly and more dependable than driving a car. One suggestion is to reduce the cost of riding the bus. People who usually drive their cars could save a lot of money on gas and parking costs. Also, Los Angeles could make the buses easier for people to use. The buses could travel to more places in the city. And there could be more special lanes on the freeways that only buses could drive in. These changes would make taking the bus faster and easier than driving a car. Other experts have said that the best way to ease traffic problems is to charge people money to drive on the freeways. These charges, or tolls, would be for the most crowded roads. The tolls would be in effect during the times of day when most people drive to work and home again. These times in the morning and late afternoon are called "rush hour". People would try to avoid driving on these roads, which would decrease the amount of traffic. Also ,the money collected from these tolls could be used to improve the roads and public transportation system. Question: The reason why Los Angeles has some of the worst traffic problems is that _ . - there is a lack of public transportation - the city is big with a large population - most people like to get around by car - many people like to travel there for shopping
most people like to get around by car

(Question)
Read the following article and select the best answer. Article: The novelist, Harriet Beecher Stowe, born 200 years ago, was a poor housewife with six children, and she suffered from various illnesses. Driven by the hatred of slavery, she found time to write Uncle Tom's Cabin, which became the most influential novel in American history and caused great change, both at home and abroad. Today, however, the book has a different reputation, owing to the popular image of its character, Uncle Tom, whose name has become a saying for a cowardly black man who betrays his race. But this view is wrong: the original Uncle Tom was physically and morally strong, an inspiration for black people and other oppressed people worldwide. Indeed, that was why, in the mid-19th century, Southerners attacked Uncle Tom's Cabin as a dangerously destructive book, while Northern reformers--especially black people--often praised it. The book was influential overseas too. In Russia it inspired Vladimir Lenin, who recalled it as his favorite book in childhood. It was the first American novel to be translated and published in China, and it fueled anti-slavery movements in Cuba and Brazil. The book's progressive appeal was the character of Uncle Tom himself: a strong man who is notable because he does not betray his race; one reason he gives up escaping from his plantation is that he doesn't want to put his fellow slaves in danger. And he is finally killed because he refuses to tell his master where two runaway slaves are hiding. Unfortunately, these themes were lost in many of the stage versions of Uncle Tom's Cabin. The play, seen by more people than those who read the book, remained popular up to the 1950s and still appears occasionally. But in the play, Stowe's revolutionary themes were drowned. But it doesn't have to be that way; indeed; during the civil rights era it was those who most closely resembled Uncle Tom--Stowe's Uncle Tom, not the embarrassed one of popular myth--that proved most effective in promoting progress. Both Stowe and Uncle Tom deserve our reconsideration and our respect. Question: Harriet Beecher Stowe wrote Uncle Tom's Cabin because she _ . - wanted to earn money to support her family - tried to set an example to her six children - hated slavery from the bottom of her heart - had similar life experiences to Uncle Tom
(Answer)
hated slavery from the bottom of her heart

Ques: Read the following article and select the best answer. Article: Like a growing number of young women in Vietnam's northern part city of Haiphong, Pham Thi Hue was infected with HIV by her husband, one of the town's many drug users. But instead of being shamed into silence, as Vietnamese with HIV and AIDS are, the 25-year-old tailor and mother of one went public, appearing on television and at conferences. Her business suffered and her neighbors insulted her, but Hue has now become the public face of Mothers and Wives, an HIV/ AIDS support group established in Haiphong by a Norwegian nongovernmental organization and her neighborhood's People's Committee. Last year, she founded a smaller group named after a local flower. People who need advice on treatment or help preparing bodies for burial can dial a hot line and get assistance from able and sympathetic HIV victims. "We gather to support each other," Hue says. "When we are sick, what we need most is encouragement and comfort from people who understand our situation and are willing to share our happiness, as well as our sadness." On a hot and damp night last month, Hue welcomed into her small home a very thin woman, also a tailor, who was HIV positive. The woman tearfully told Hue that she had not told anyone about her condition, fearing that she would lose customers and that her daughter would be insulted at school. Hue became the wise elder, offering medical and personal advice. Question: It can be inferred from the passage that the group Pham Thi Hue founded is made up of _ . - drug users - HIV victims - all kinds of patients - poor people
Ans: HIV victims

Read the following article and select the best answer. Article: Scientists are debating how to limit their newly-discovered power to change genetic structure. Scientists already modify the genes of farm animals and agricultural plants to make them more productive or stronger. But now they can also change genes in wild animals and plants. These genes would continue into later generations. For example, it may be possible for scientists to remove from existence the kind of mosquitoes that carry the Zika virus. They might also be able to permanently remove species of plants and animals that are destructive to other species. In a report published last week, the U. S. National Academies of Sciences, Engineering and Medicine (NAS) said it supports continued research on this kind of gene control. But it warned that it is not possible to know what will happen when these changed plants and animals are released into the wild. Sixteen biologists, ethicists and policymakers are on an NAS committee that is examining the issue. They say that there is value to the new technology. But, they say, there is not enough evidence to support the release of modified organisms from the laboratory into nature. Many people would support stopping mosquitoes and rats from carrying diseases. But scientists say we must understand the possible scientific, ethical, legal and social results of such action before we decide whether to take it. Gene modification is spread through reproduction . Changed genes will continue to spread as long as an animal or plant continues to reproduce. They cannot be limited to a farm or kept within a country's borders. Scientists are wondering what may happen if a modified organism mates with another species. They are not yet sure how the modified genes would affect the other species. It is possible that those genes could harm those creatures or even lead to their disappearance from our planet. Question: As for genetically changed wild animals and plants ,what are scientists worried about? - They may become weaker or die out. - They may be more productive. - They may cause damage to their living habitat. - Their genes may spread to later generations.
They may become weaker or die out.