Read the following article and select the best answer. Article: A young British sailor was missing at sea yesterday in similar circumstances to the way his father died five years ago. The dinghy ,used to take Richard Smith,21,to his yacht ,was discovered empty, floating in seas off the Caribbean island.An air and sea search was carried out but he has still not been discovered . Richard's mother, Bicknell,said from her home in Hampshire,"It's so much coincidence.Richard always carried a photograph of his father attached to a poem,which included the date of his disappearance." "Now, it's very strange because all they have found is Richard's dinghy.We need to know this time what has happened one way or another.If you know at least you can go through the grieving process ." In November 1996,Mr. Smith's father, Charlie,was sailing in the Tasmen sea between the Australian mainland and the island of Tasmen with his new wife.They lost radio contact with the shore and they, together with their yacht were never seen again,and their disappearance remains a mystery. Richard is described a talented and experienced sailor who has crewed for the champion ocean racer.He had sailed to the. Caribbean in November to crew ocean racing yachts for entertainment.He ended the evening drinking in the Abracbabra bar but left after local police closed it for being too noisy. About 2 am the following day Richard headed back for his dinghy.He started its outboard motor before giving all elderly woman a lift to her yacht after her dinghy had gone missing.It was the last time he was seen. Question: According to the passage,we know Richard died because _ . - he was a green hand in sailing - some unknown animal attacked him - that was a maze in the area he was sailing - of something we don't know
of something we don't know

Read the following article and select the best answer. Article: Washington, D.C. is home to famous buildings, memorials and museums that visitors love. But it is also home to a large and beautiful green space. There are many _ in the city. Today, we take you to the United States National Arboretum, an active center for both scientific research and public education. Many people who come to Washington are astonished when they first visit the National Arboretum. The Arboretum is only a short drive from the center of the city. However, visitors often feel like they are remote from the busy American capital. The Arboretum covers one hundred eighty hectares of green space in the northeast part of Washington. The area is famous for its beautiful flowers, tall trees and other plants. About nine thousand different kinds of plants grow there. The National Arboretum was established by an act of Congress in 1927. Today, the United States Department of Agriculture's Agricultural Research Service operates the Arboretum. The goal of the Arboretum is to carry out studies and provide education in an effort to improve the environment. The goal includes protecting trees, flowers and other plants and showing them to the public. The National Arboretum is a popular stop for visitors to Washington. It is open every day of the year except December twenty-fifth, the Christmas holiday. Money is not necessary to visit the Arboretum. As many as six hundred thousand people visit the Arboretum's grounds each year. Hundreds of thousands of people also visit with the help of computers. They use the Arboretum's Internet web site to learn about current research programmes and how to care for plants. Director Thomas Elias says Arboretum officials would like to see even more visitors. He says they believe that many people do not know it exists. Part of the problem might result from the fact that the Arboretum is about five kilometers from the closest train station. Many famous places in Washington are a short walk from Metrorail, the local train system. The Arboretum is easy to reach by automobile or bus,... Question: How many ways are there for visitors to choose if they visit the Arboretum? - Five. - Six. - Seven. - Eight.
Five.

*Question*
Read the following article and select the best answer. Article: Mo Yan was born in 1955, in GaomiCounty inShandongprovince to a family of farmers. Mo was 11 years old when theCultural Revolutionwas launched, at which time he left school to work as a farmer. At the age of 18, he began to work at a cotton factory. During Mo's teenage years, with a series of political campaigns from theGreat Leap Forwardto theCultural Revolutiongoing on, his access to literature was limited to novels in thesocialist realiststyle under Mao Zedong, which centered largely on the themes of class struggle and conflict. At the close of the Cultural Revolution in 1976, Mo joined in the People's Liberation Army(PLA), and began writing while he was still a soldier. He began his career as a writer in thereform and opening upperiod, publishing dozens of short stories and novels in Chinese. His first novel was Falling Rain on a Spring Night, published in 1981. In 1984, he received a literary award from the PLA Magazine, and at the same year he began attending the Military Art Academy, where he first adopted the pen name of Mo Yan. He published his firstnovella , A Transparent Radish in 1984, and released Red Sorghum in 1986, launching his career as a nationally recognized novelist. In 1991, he obtained a master's degree in Literature from Beijing Normal University. "Mo Yan" -- meaning "don't speak" in Chinese -- is his pen name. In an interview, he explained the name came from a warning from his father and mother not to speak his mind while outside, because of China's revolutionary political situation from the 1950s, when he grew up. Mo Yan's Red Sorghum Clan is about the generations of a Shandong family between 1923 and 1976. The author deals with great changes in Chinese history such as the War of Resistance Against Japanese Invasion, theCommunist Revolution, and theCultural Revolution, but in an unusual way, for example from the point of view of the invading Japanese soldiers. His second novel, The Garlic Ballads, is based on a true story of the farmers of Gaomi Township fighting against a... Question: According to the passage, the name "Mo Yan" _ . - made him and his works famous nationwide - might remind him "not to speak his mind" in public places - was first used when he began writing as a soldier in the PLA - was given by his parents because of the then political situation
**Answer**
might remind him "not to speak his mind" in public places