Read the article and select the best answer. Article: Firefly is just a name.They are actually very cool insects. And they are not even flies, they are beetles.They have a way of sending out light signals every now and then.If you see them at night on a tree, you might think it is a brightly lit Christmas tree.That is the kind of light these fireflies produce. But the light they send out does not have heat,like the bulbs we use.The firefly's light is cold. Aetually these beetles could be the most efficient bulbs if only we knew how to use them. For almost all the energy they produce gets changed into bright lightcool light. How do they do it? The back portion of their stomachs are transparent.There are cells of crystals or chemical substances inside which get broken down by enzymes.Some energy is released in the form of light. The fireflies send out 1ight signals at fixed intervals.And the purpose behind it is to attract beetles for mating.But one firefly's signal is different from another's, depending on its sex and the type of family it belongs to.If a firefly sends a signal at a fixed interval but gets a response either too soon or too late,it will ignore the signal.It is like a perfect dance sequence.If you are faster or slower than your partner,the dance fails. Fireflies come from two families of beetles.One family of fireflies is usually found in Europe.North Ameriea and Australia.They are found on trees.The other family of fireflies is found in the Pacific islands.There is another type of beetle which gives out a softer 1ight.It is called the glow worm. Question: Firefly is a kind of animal that _ . Options: A: can fly here and there at night B: can be used as Christmas lights C: can give off light at night D: 1ives happily in the trees
C

(Question)
Read the article and select the best answer. Article: There's no need to say it, but there are really more than a few benefits to educational tours. From the word itself, an educational tour is something done to gain knowledge while traveling and touring to some place. It creates opportunities for people to think out of the box and see things and places that aren't usually seen in their normal environment. Educational trips aren't always those that cover far distances. As already said, it is done to gain knowledge and you wouldn't need to go very far to have it. Sometimes, an educational trip could be in your hometown. Historic places and museums are always on top of the lists of the places to go in an educational tour. Educational tours like these would make you know your country better. Your country's history is rich and it is the reason why you came. But remember that the history of other states, counties and countries are as important as your own. When you go on a trip to another country, it is likely that you learn their culture first. Different cultures have different understanding and perspective of different acts, and it could be dangerous or offending if you cannot understand a culture. When you go on an educational tour, it is likely that you would have the opportunity to socialize with other people. Students are encouraged to talk to locals and natives and learn from them, because it is with understanding that students gain knowledge. When students talk with local people, they are gaining insights to their life and their culture. It is said that when in Rome, act and think as the Romans do, and this is a valuable skill that not all people could do. There are millions of people who want to travel, and an educational tour is the perfect time to do so. Traveling opens new doors and opportunities; it always makes you want to learn more. Cultures are many and widely different, and it is a very valuable talent to understand the people of different cultures. Traveling with groups of other students is safer than traveling alone, and bulk travels like those... Question: If you want to go on a cheap and safe educational trip, you'd better _ . Options: A: go with groups of other students B: avoid the top spots C: book one in advance D: learn the culture first
(Answer)
A

Ques: Read the article and select the best answer. Article: People should be warned against using mobile phones outdoors in stormy weather because they may"be struck by lightning",according to doctors. Three experts have described how a teenage girl was struck by lightning while using her phone in a large London park.The girl,aged 15,recovered,but a year later was still wheelchair-bound and found to be suffering complex physical and emotional problems. The girl also had a perforate eardrum on the side where she had been holding the mobile phone.She was having general recovery in Northwick Park Hospital,Middlesex. Swinda Esprit,a senior house officer, said that while the brain and muscle damage was similar to that of many lightning victims--who can experience heart attacks on being struck--the ear problems were not. She said that the damages were particularly relevant for people who might be involved in less serious lightning incidents,who might otherwise recover, but would never get their full hearing back if struck while on the phone. "We were shocked by the damage,which is why we wanted to draw attention to it,"Dr Esprit said."A year on and she still was suffering these difficult hearing." They added that three other cases had been reported in newspapers in China,South Korea,and Malaysia.In the Malaysian case,a sales executive was killed by lightning while talking on his phone during a thunderstorm near Kuala Lumpur. "All these events resulted in death,"the doctors wrote."This rare phenomenon is a public health issue,and education is necessary to stress the risk." The Australian Lightning Protection Standard recommends that metallic objects,including cordless or mobile phones,should not be carried outdoors during thunderstorms.However, "the United States National Weather Service says on its website that both are safe to use "because there is no direct path between you and the lightening". Paul Taylor, of "the Met Office'',said the ear injuries were a consequence of mobile phones being metal,and not related to radio waves. Mr. Taylor said that mobile phones should be... Question: Why did doctors stress the risk about using phones outside in lightening? Options: A: Because more people are faced with it. B: Because some deaths have been caused. C: Because lightning is harmful for the brain. D: Because a teenage girl got killed.
Ans: B

Question: Read the article and select the best answer. Article: Children are losing the ability to play properly because they are being given too many toys and games, according to new research. The studies show that children, especially those under five, are often overwhelmed and actually play less than those with fewer toys. It may even harm their development. The studies show that giving children too many toys or toys of the wrong type can actually be doing them harm. They get overwhelmed and cannot concentrate on anything long enough to learn from it. The conclusions have been backed up by British research looking at children with ly fewer toys, whose parents spend more time reading, singing or playing with them. It showed such children surpass youngsters from richer backgrounds, even those who could use computers. Some parents notice the ill effect early. Orhan Ismail, a researcher saw a change for the worse in Cameron, his 10-month-old son, after he was given a lot of toys last Christmas. Ismail said, " If there are too many toys in front of him, he will just keep flitting around them and then end up going off and finding something like a slipper to play with. Now we just get out one or two toys and hide the rest in a box. " Alexander and her husband also decided to limit the toys their 6 daughters play with. She believed many toys restrict children's imaginations. She said, " A Barbie can only work as a Barbie. But a cardboard box can become anything. The only limitations are in the child's mind. " Experts hesitate to put a figure on the number of toys children should have, but many believe two dozen is enough for children of preschool age. Question: Which of the following is TRUE about toys given to children? Options: A: too many toys will help children develop wide interests. B: One or two toys at a time will help children concentrate. C: Only wrong types of toys do harm to children. D: The proper number of toys given to the children depends on their ages.
Answer:
B