Read the following article and answer the question. Article: Motherhood may make women smarter and may help prevent dementia in old age by bathing the brain in protective hormones , U.S.researchers reported on Thursday. Tests on rats show that those who raise two or more litters of pups do considerably better in tests of memory and skills than rats who have no babies, and their brains show changes that suggest they may be protected against diseases such as Alzheimer's .University of Richmond psychology professor Craig Kinsley believes his findings will translate into humans."Our research shows that the hormones of pregnancy are protecting the brain, including estrogen , which we know has many neuroprotective effects," Kinsley said. "It's rat data but humans are mammals just like these animals are mammals," he added in a telephone interview."They go through pregnancy and hormonal changes." Kinsley said he hoped public health officials and researchers will look to see if having had children protects a woman from Alzheimer's and other forms of age-related brain decline. "When people think about pregnancy, they think about what happens to babies and the mother from the neck down," said Kinsley, who presented his findings to the annual meeting of the Society of Neuroscience in Orlando, Florida. "They do not realize that hormones are washing on the brain.If you look at female animals that have never gone through pregnancy, they act differently toward young.But if she goes through pregnancy, she will sacrifice her life for her infant--that is a great change in her behavior that showed in genetic alterations to the brain." Question: Which title is the best for this passage? Answer:

OPTIONS:
- Do You Want to Be Smarter?
- Motherhood Makes Women Smarter
- Mysterious Hormones
- An Important Study

Answer: Motherhood Makes Women Smarter

Read the following article and answer the question. Article: Men have always believed that they are smarter than women. Now, a study has found that while this is certainly true, men also have to deal with the fact that they are also more stupid than the fairer sex. In the study, scientists measured the IQ of 2500 brothers and sisters and they found an uneven number of men not only in the top two percent, but also in the bottom two percent. The study's participants were tested on science, maths, English and mechanical abilities. Though there were twice as many men as women in the smartest group, there were also twice as many men among the bottom. The aggregate scores of men and women were similar. One of the study's authors, psychology professor Timothy Bates, said that the phenomenon may be because men have always been expected to be high achievers and women have been restricted to spend more time taking care of their homes. "The female developmental program may be tilted more towards ensuring survival and the safety of the middle ground.," the Daily Mail quoted Professor Bates, of Edinburgh University, as saying. The research _ past results that men were more likely than women to receive first class University degrees or thirds and women secured the seconds. It has been said that men are more ready to take risk when it comes to academics. Women have always found to be steadier in their learning. A past study has shown that women are securing more firsts and seconds, while men are continuing to receive more thirds. The argument for the change is that the increase of coursework at the cost of exams favors women's steady approach. Question: The purpose of the passage is to tell us that _ . Answer:

OPTIONS:
- man are smarter then women
- man are more stupid the women
- a new fact about the IQ of men and women has been found
- men are more likely to receive first class university degrees

Answer: a new fact about the IQ of men and women has been found

Read the following article and answer the question. Article: When Emily Beardmore first heard that a trip was being planned by the biology class at Windsor High School, she thought about how much fun it would be. "I thought it would be a really good experience to go with other friends and teachers to another country in an environment other than a vacation environment," the 17-year-old girl said. A few months later, Emily got her chance when she and 14 of her classmates, along with biology teacher Tamara Pennington went to Costa Rica for eight days in late May. "It was not just a tour," said Pennington, who organized the trip. "You can go any place in the world on just a tour. This one was really working with the sea turtles and practicing conservation . It just seemed like the perfect science field trip for kids who think they want to get into science to see what it's really like to be out in the field and enjoy themselves." Emily said her time on the turtle program, which was the focus of the trip, was "crazy." "We were walking on the beach at night and you can't see anything--just see a big black dot." She said with a laugh. "I was not expecting the turtles to be that big." The turtles are leatherback turtles, which are becoming extinct because their eggs are used as food. "When they would move their legs while laying their eggs they were really hard to control because they were a lot more powerful than you would imagine," Emily said. Once the eggs were collected, the students took them back to a hatchery and dug holes to copy the hole the mother turtle had made and then buried the eggs for the 60 days needed to hatch. "The experience was so cool," Emily said. "You go to another country to see what their culture is like and learn what their everyday lives are like. It made me really want to help out my mom a lot more than I do, and value what I have." Question: What did Emily learn from her experience? Answer:

OPTIONS:
- She learned to be grateful to her teachers.
- She understood the importance of what she had.
- She realized the beauty of foreign culture.
- She knew the importance of everyday life

Answer: She understood the importance of what she had.

Read the following article and answer the question. Article: Scientists in Canada say big ocean fish have almost disappeared from the world since the start of industrial fishing in the nineteen-fifties. The scientists found that population of large fish like tuna; swordfish and cod have dropped by ninety percent in the past fifty years. The study took ten years. The researchers gathered records from fishing businesses and governments around the world. The magazineNaturepublished the findings. The scientists say the common method called longline fishing is especially damaging to populations of large fish. This method involves many fishing lines connected to one boat. These wires can be close to one-hundred kilometers long. They hold thousands of sharp metal hooks to catch fish. Longline fishing is especially common in the Japanese fishing industry. Records showed that Japanese boats used to catch about ten fish for every one-hundred hooks. The study says longline fishing boats now might catch one fish per hundred hooks. The scientists say industrial fishing can destroy groups of fish much faster than in the past. The study suggests that whole populations can disappear almost completely from new fishing areas within ten to fifteen years. Ransom Myers of Dalhousie University in Nova Scotia led the study with Boris Worm of Dalhousie and the University of Kiel in Germany. Mister Worm says the destruction could lead to a complete re-organization of ocean life systems. Mister Meyers says the decreased number of large fish is not the only worry. He says even populations that are able to reproduce do not get the chance to live long enough to grow as big as their ancestors . He says not only are there fewer big fish, they are smaller than those of the past. American government scientists say even with the best efforts to protect fish populations, decreases are to be expected. Question: Which of the following shows the fact that the populations of large fish have dropped? Answer:

OPTIONS:
- Today's "large"fish are smaller than those of the past.
- Longline boats now might catch fewer fish every one-hundred hooks.
- Fish even able to reproduce don't have the chance to live longer.
- Japanese boats could catch about ten fish for every 100 hooks.

Answer:
Japanese boats could catch about ten fish for every 100 hooks.