We've all heard about the power of positive thinking, but a recent study found that people who think they're getting fit actually get more positive benefits from activity, according to a Reuters Health article. The study examined hotel housekeepers over a period of four weeks. Some of the housekeepers were told that their work duties gave them enough activity to meet the Surgeon General's health guidelines . Another group of housekeepers were told nothing. After four weeks, the housekeepers who believed their work activity counted as exercise lost weight and body fat, and their blood pressure went down. The results of this study suggest that it's important to understand and believe in the positive benefits of your activity. So here are a few things to think about the next time you exercise: Just thirty minutes of quick walking each day can greatly reduce your risk of a heart attack. Even your housework -- like yard work and house cleaning -- can help you burn calories and increase your fitness levels. Weight bearing activity just a few times a week can build bone density and reduce your chances of developing osteoporosis . Three 10-minute workouts throughout the day are just as good to your health as one long workout. Moderate amounts of exercise have been linked to lower rates of heart disease, stroke and even cancer. Strength training can help make daily activities like carrying bags or laundry feel easier. Regular exercise will reduce stress, keep you in a good mood and improve the quality of your sleep. The main purpose of this passage is to _ . A) encourage people to think they will get fit in different activities B) tell people how to finish the work duties better C) tell people how to lose weight D) advise people to do more housework
A
(Question)
A new report says only about half of all students in the main school systems of America's largest cities finish high school. The report notes higher rates of graduation -- over 70% --in areas surrounding the cities. Researchers studied high school graduation rates from the 2003, 2004 school year. They also identified the nation's fifty largest cities. The largest, New York City, had a population of more than eight million. The smallest city was Wichita, Kansas. It had about three hundred and sixty thousand people. Researchers used a system of measurement called the cumulative promotion index to find graduation rates. School officials in many of the cities studied said the resulting numbers were too low. That is because different areas use different methods to find graduation rates. Critics say many methods do not give a true _ of the number of students who leave high school before finishing. Other studies have put the national graduation rate at about 70%. But experts agree that too many students are not completing high school. They estimate the number at more than one million each year. The report was prepared for America's Promise Alliance. The private group aims to help children receive services they need to succeed. General Colin Powell was chairman of America's Promise Alliance when it was formed in 1997. He attended the press conference Tuesday where the report was released. He said studies have shown that the US must do more to educate the leaders and work force of the future. Secretary of Education Margaret Spellings also spoke. She said the government will propose that states use the same methods when reporting graduation rates. Alliance officials also announced the start of a nationwide campaign to improve graduation rates. It is to include a series of meetings to be held in every state over the next two years. The meetings will bring together elected leaders, business owners, students, parents and education officials. They will develop plans to increase the number of Americans who finish high school. The author wants to tell us _ . A) too many Americans do not finish high school B) different methods to find graduation rates C) services American children need to receive D) the increase of the number of Americans who finish their high school
(Answer)
A
Ques: Not so long ago, a sailor sailing across the cold waters of the northern Pacific Ocean might have had every chance of being confronted by a sea cow. This cow would have measured 10 meters long, and weighed between five and ten tones. And it would spend most of its day cruising the seas, eating grass growing underwater. The cow in question was known as Steller's sea cow, which is now extinct. Today, many people are unaware that such an extraordinary creature once existed, or don't know its incredible story. But scientists have discovered many fundamental facts about this mystical animal. Surprisingly, the first recorded sighting of a Steller's sea cow didn't happen until 1741, when a sailing expedition was stuck on an uninhabited island, later named Bering Island. The sailor survived by hunting and eating the huge sea cow. Like its modern relatives, the sea cow lived in herds. _ and its slow-moving behaviour made it easy to be caught. Those sailors that escaped Bering Island spread word of the bounty of meat to be found off its shores. As a result, more and more expeditions came to hunt the animals. One report stated that one sea cow could feed 33 men for a month. Incredibly, just 27 years after the island and species had been discovered by modern man, the last sea cow was reported killed. That makes the Steller's sea cow one of the few truly large mammals known to have been driven extinct in the modern age. What is the main idea of the passage? A) Why did expeditions hunt the Steller's sea cow? B) When did the Steller's sea cow become extinct? C) How did the Steller's sea cow become extinct? D) What do we know about the Steller's sea cow?
Ans: C
Located along California's San Andreas Fault, the city of San Francisco is likely to take precautions(,) in the event of the next big earthquake. According to aNew York Timesreport, emergency planners in San Francisco are not only thinking of human evacuation(,) plans in the event of an earthquake, but also of how to care for pets during a natural disaster. Ideally, the planners will be able to train pet-disaster responders who work to evacuate dogs, cats and other household pets from the disaster site to one of the 125 temporary animal shelters that will be set up or, if the pet is injured, it will be brought to an emergency animal medical unit where there will be people on hand to tend to the pet's injury. The city's "no-pets-left-behind" policy results from the great number of pet deaths during the destruction of Hurricane Katrina. As emergency responders arrived to rescue people isolated in their homes during Katrina, hurricane victims were told that they could not take their pets along with them when evacuating; thus, many pet owners were forced to make the heart-breaking decision to save themselves while leaving their pets behind to perhaps meet their deaths. Since then, the U.S. has passed the Pets Evacuation and Transportation Standards Act of 2006, allocating federal funds for animal disaster planning projects. Yet, not all counties are as progressive as San Francisco has been in the effort to protect pets in the event of a natural disaster. Pets are after all, a large part of San Francisco's population -- overnumbering the number of school age children in the city. Over the last three years, San Francisco has received $350,000 in federal funds _ to animal disaster preparedness efforts in order to protect animals in the case of a disaster such as an earthquake. The city is still working on obtaining $300,000 to pay for an emergency animal unit. Until then, animal lovers in San Francisco will continue to work to ensure that pets are never an afterthought when it comes to rescues during earthquakes or... What do we know about Hurricane Katrina? A) A great number of pets died during Hurricane Katrina. B) San Francisco's "no-pets-left-behind" policy had been made before Hurricane Katrina. C) The pet owners chose to sacrifice themselves in order to save their pets. D) Emergency responders failed to rescue the hurricane victims.
A