Read the following article and select the best answer. Article: An artist in Oakland, California is using his skills to help the homeless. Greg Kloehn builds very small shelters that make life on the streets more comfortable. The structures offer the homeless some safety and protection from bad weather. Each little house also has wheels on the bottom so it can go wherever its owner goes. Greg Kloehn has given away at least 20 tiny houses to the homeless on the street. On a recent day, Mr. Kloehn stops to visit his homeless friends. One of them is Oscar Young. The two men hug when they see each other. Inside his little shelter Mr. Young gets relief from cold nights on the streets. Mr. Kloehn also visits Sweet-Pea, another friend who also lives in one of the little homes the artist built. She says it keeps her safe and protects her belongings. In the mornings, Mr. Kloehn searches the streets for building materials. He gathers what he can and takes it to his studio. There, he puts the houses together. Empty coffee bags become roof material. A washing machine door and refrigerator part become windows. Nails, screws and the sticky glue hold all the pieces together. The artist also attaches a small electrical device to the house. The device is powered by the sun. Some of the people living on the streets once had normal houses of their own. But some of the people say they have learned to live with less and they are thankful to that man. Mr. Kloehn says his work is not a social project. He says he is just someone using his skills to help his homeless neighbors. Question: What's the main idea of the passage? - A successful social project in Oakland. - An artist creates homes for the homeless. - A more comfortable shelter on the streets. - An artist makes a living by designing small shelters.
An artist creates homes for the homeless.

(Question)
Read the following article and select the best answer. Article: 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... Question: Which of the following statements is NOT TRUE according to the passage? - San Fransisco has made great effort to protect pets in a natural disaster. - The number of school age children in San Fransisco is smaller than that of pets. - The U.S. government has spent money on animal disaster planning projects. - All the countries are in the effort to protect pets in a natural disaster.
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All the countries are in the effort to protect pets in a natural disaster.

Read the following article and select the best answer. Article: Using tablet computers like Apple's iPad and Samsung's Galaxy Note just before bed can lead to a poor night's sleep, according to research. More and more people are taking their tablets to bed with them to surf the web, check Facebook or email before switching off the light. But researchers are warning that the blueish light their screens emit can stop users getting a good night's sleep. That is because this type of light mimics daylight, convincing the brain that it is still daytime. Blue light suppresses production of a brain chemical called melatonin, which helps us fall sleep. This is because our brains have evolved to be wakeful during daylight hours. By contrast, light which is more orange or red in tone does not reduce melatonin production, perhaps because our brains recognize it as a cue that the day is ending. Neurologists have known for years that staring at screens late in the evening can disrupt sleep. Researchers at the Lighting Research Centre, at the Rensselaer Polytechnic Institute in New York, are warning that looking at tablet displays for more than two hours "leads to a suppression of our natural melatonin levels as the devices emit optical radiation at short wavelengths" - in other words, they emit bluer light. They say: "Although turning off devices at night is the ultimate solution, it is recommended that if these devices are used at night displays are dimmed as much as possible and that the time spent on them before bed should be limited." They drew their conclusions after measuring melatonin levels in 13 volunteers, after they had spent time viewing iPads at full brightness at a distance of 10 inches, for two hours. Melatonin levels were significantly lower after they had done this, than they were after the volunteers had viewed their iPads for the same time, but while wearing orange glass goggles, which cut out the blue light. They wrote in the journal Applied Ergonomics that tablet makers could "tune the spectral power distribution of self-luminous devices " so that they... Question: Based on their findings, researchers have made the following suggestions except that _ . - Devices like iPads should be turned off at night. - Tablet makers should make improvements in devices. - Users should view iPads at full brightness instead of wearing orange glass goggles. - The time spent on screen before bed should be controlled.
Users should view iPads at full brightness instead of wearing orange glass goggles.