Read the following article and select the best answer. Article: Do you know why different animals or pests have their special colours? Colours in them seem to be used mainly to protect themselves. Some birds like eating locusts. but birds cannot easily catch them. Why? It is because locusts change their colours together with the change of the colours of crops. When crops are green, locusts look green. But as the harvest time comes, locusts change to the same brown colour as crops have. Some other pests with different colours from plants are easily found and eaten by others. So they have to hide themselves for lives and appear only at night. If you study the animal life, you'll find the main use of colouring is protecting themselves. Bears, lions and other animals move quietly through forests. They cannot be seen by hunters. This is because they have the colours much like the tree. Have you ever noticed an even more strange act? A kind of fish in the sea can send out a kind of very black liquid when it faces danger. While the liquid spread over, the enemies cannot find it. And it immediately swims away. So it has lived up to now though it isn't strong at all. Question: From the passage we learn that locusts _ . - are small animals - are easily found by birds - are dangerous to their enemies - change their colours to protect themselves
change their colours to protect themselves

(Question)
Read the following article and select the best answer. Article: Nicole Delian, 17, suffers from a condition that makes her sleep up to 19 hours a day and as much as 64 days in a row. Nicole Delian is tired of sleeping. This 17-year-old teenager from North Fayette, Pa., has a rare condition called Kleine-Levin Syndrome -- or "Sleeping Beauty Syndrome" -- that makes her sleep 18 to 19 hours a day. And when she does wake up, she is often so tired out that she is in a sleepwalking state and doesn't remember doing basic things like eating, according to KDKA-TV. Nicole's sleepwalking state has been so severe that she once slept through the holidays, awaking one day in January when she finally opened Christmas gifts alongside her family, according to ChartiersValley.Patch.com. . "She's never really adjusted to it," her mother, Vicki Delien told the website. "She's 17 now and it really upsets her. She's missed out on a lot." Delien told talk show host Jeff Probst that the teen has at times slept 32 to 64 days in a row, waking only in sleepwalking mode to eat. Kleine-Levin Syndrome is incredibly rare, only affecting about l,000 people worldwide, and very hard to diagnose. In Nicole's' case, it took 25 months for doctors to diagnose her, according to ChartiersValley.Patch.com, and everything from a virus, to epilepsy to West Nile was mentioned, including, unfortunately, the possibility she was faking it for attention.. When a typical episode of Sleeping Beauty Syndrome begins, the patient becomes progressively drowsy and sleeps for most of the day and night, waking only to eat or go to the bathroom, according to the Klein-Levin Syndrome Foundation website. "When awake, the patient's whole behavior is changed, often appearing "stupid" or childlike. When awake he experiences confusion, complete lack of energy, and lack of emotions." Patients also report that everything seems out of focus, and that they are hypersensitive to noise and light. Some patients also have intense food cravings . The Delians did not say whether Nicole has experienced these symptoms. There is no... Question: What's the reflection of Nicole's sleepwalking state? - Being forgetful. - Missing Christmas. - Sleeping around the clock. - Being exhausted and bad-tempered.
(Answer)
Being forgetful.

Ques: Read the following article and select the best answer. Article: Australian researchers have studied records of 105 plane crashes and interviews with more than 2,000 survivors of traffic accidents, and outlined the following self-help tips. First, sit with your family but escape separately. About 50 percent of passengers travel with at least one companion. If you are traveling with your family, try not to sit separately because in an emergency, families who are separated will try to reunite before they escape, thereby missing the best time to escape and causing tragedy. However, it is best to escape separately because it will improve your chances of survival. Second, have your seat belts securely fastened. The shoulder belt should be worn closely against the body, over the shoulder, cross the chest, and never under the arms. It should not be too close to your head, or it may get you hurt in an accident, or too close to your shoulder joint, which may cause the belt easily to slip off. It is best to wear the belt two fingers away from your shoulder joint. The lap belt should be firm against the body and low across the hips in order to prevent collision forces from hurting your viscera . Make sure both belts are fastened closely against the body. Third, find the nearest exit on board. A study found that the average distance a survivor will take in an escape is seven seat rows, so choose a passage seat within this range. If not available, count exactly how many rows you are from the nearest exit in advance, so that you can find your exit in the dark or in smoke. Fourth, sit backwards on trains. Seats on military aircrafts normally face backwards so that soldiers are less likely to be bumped and injured in the head in the event of a crash. The same theory applies to trains. Question: The best title for the passage is _ . - Self-help tips for passengers - Safety instructions while driving - Where to sit on board - Fastening your seat belts
Ans: Self-help tips for passengers

Ques:Read the following article and select the best answer. Article: People travel for a lot of reasons. Some tourists go to see battlefields or other historic remains . Others are looking for culture, or simply want to have their pictures taken in front of famous places. Most European tourists are looking for a sunny beach to lie on. Northern Europeans are willing to pay a lot of money for the sun because they have so little of it. People of cities like London, Copenhagen and Amsterdam spend much of their winter in the dark because the days are so short, and much of the rest of the year are in the rain. This is the reason why the Mediterranean has always attracted them. Every summer many people travel to Mediterranean resorts and beaches for their vacation. They all come for the same reason: sun! The huge crowds mean lots of money for the economics of Mediterranean countries. Italy's 30, 000 hotels are booked without a break every summer. And 13 million people camp out on French beaches, parks, and roadsides. Spain's long sandy coastline attracts more people than anywhere else. 37 million tourists visit there yearly, or _ But there are signs that the area is getting more tourism than it can deal with. The Mediterranean is already one of the most polluted seas on earth. None of these, however, is ruining anyone's fun. Obviously, they don't go there for clean water. They allow traffic jams and seem to like crowded beaches. They don't even mind the pollution. No matter how dirty the water is, the coastline still looks beautiful. And as long as the sun shines, it's still better than sitting in the cold, rainy in Berlin, London, or Oslo. Question: According to the passage, which of the following might ruin the tourists' fun at Mediterranean resorts and beaches? - Polluted water. - Crowded buses. - Rainy weather. - Traffic jams.

Ans:
Rainy weather.