Q: Read the following article and select the best answer. Article: Many people will remember the flight of the space shuttle Challenger, in June, 1983. The achievement of Sally Ride, America's first woman astronaut to fly into space, made this flight especially memorable. Students from two Camden, New Jersey, high schools, however, are probably to remember Norma rather than Sally whenever they think about the flight. Norma didn't travel alone. She brought about 100 companions along with her. Norma was an ant, a queen ant who, with her subject, made up the first ant colony to travel into space. The ants were part of a science experiment designed by students to test the effects of weightlessness on insects. The equipment designed by the students for their colony functioned perfectly throughout the long space trip. The young scientists and their teachers were very sad to find that their insect astronauts had all died at some point before the container was returned to the school and opened. The problem didn't occur in space, but on the ground after challenger had landed. The container remained in the desert for nearly a week before the ant colony was moved. The hot, dry desert air dried out the colony's container and the ants died from lack of moisture . The project was tested success because it did provide useful information. Students will continue their efforts to pinpoint what went wrong. They will try to prevent the same difficulties from recurring on future missions. They don't want to be discouraged either by the demise of the ants or by the $10,000 shuttle fare they will have to pay to send the next colony of ants into space. Ks5u Question: The ants were not able to live because _ . - no one fed them in space - they dried out in the desert - weightlessness damaged them - space caused too much pain
A: they dried out in the desert

Q: Read the following article and select the best answer. Article: In a house with more than one kid, there are bound to be some problems. Brothers and sisters borrow stuff, and don't always return it in top condition. Younger kids sometimes feel the older kids get to do whatever they want. Older brothers and sisters think that the baby of the family gets more attention. These are typical problems found throughout the ages, everywhere in the world. When brothers and sisters don't get along well, it's called sibling rivalry. A sibling is a brother or sister and rivalry means competition. It's normal, but too much competition can make for an unhappy home life. A little competition isn't a bad thing. Sometimes it can keep you working hard--when you and your brother spend time shooting hoops. If he's good at it, it may make you want to improve, too. But some sibling rivalry involves arguments--when you think your brother is hogging the ball. People who love each other might argue sometimes, but too much fighting is unpleasant for everyone. Have you ever heard of the green-eyed monster called jealousy ? Sometimes brothers and sisters are jealous of one another. For instance, if your sister always does well at school, it may be frustrating for you, especially if your grades are lower. Although you are probably proud of your brothers and sisters, it's normal to be a little jealous, too. It may make you feel better to focus more on doing your own personal things, rather than comparing yourself with a brother or sister. All kids want attention from their parents, but sometimes you need to take turns. It you are feeling ignored or your brother or sister is always in the spotlight, talk to your mom or dad. If a parent knows you're feeling left out, he or she can figure out ways to help you feel better again. Question: When sibling rivalry happens, it proves a fact that _ . - brothers and sisters will have to get away from their home - no competition will be made by brothers and sisters - no one can stop brothers and sisters arguing all day long - brothers and sisters don't get along well with each other
A: brothers and sisters don't get along well with each other

Q: Read the following article and select the best answer. Article: Sensing phantom phone vibrations is a strangely common experience. Around 80% of us have imagined a phone vibrating in our pockets when it's actually completely still. Almost 30% of us have also heard non-existent ringing. Are these signs of madness caused by digital culture? Not at all. In fact, phantom vibrations and ringing indicate a fundamental principle in psychology. Psychologists use a concept called Signal Detection Theory to guide their thinking about the problem of perceptual judgments. Working through the example of phone vibrations, we can see how this theory explains why they are a common and unavoidable part of healthy mental function. When your phone is in your pocket, the world is in one of two possible states: the phone is either ringing or not. You also have two possible states of mind: the judgment that the phone is ringing, or the judgment that it isn't. Obviously you'd like to match these states in the correct way. True vibrations should go with "it's ringing", and no vibrations should go with "it's not ringing". Signal detection theory calls these faithful matches a "hit" and a "correct rejection" But there are two other possible combinations: you could mismatch true vibrations with "it's not ringing" (a "miss"); or mismatch the absence of vibrations with "it's ringing" (a "false alarm"). This second kind of mismatch is what's going on when you imagine a phantom phone vibration. What does that mean in terms of your phone? We can assume that people like to notice when their phone is ringing, and that most people hate missing a call. This means their perceptual systems have adjusted their bias to a level that makes misses unlikely. The unavoidable cost is a raised likelihood of false alarms of phantom phone vibrations. The trade-off between false alarms and misses also explains why we all have to put up with fire alarms going off when there isn't a fire. It isn't that the alarms are badly designed, but rather that they are very sensible to smoke and heat and biased to avoid missing a... Question: The writer tries to explain phantom phone vibrations_. - by analyzing some facts - by giving some examples - from the angle of biology - from the angle of psychology
A: from the angle of psychology