题目内容
Some colors people see late at night could cause signs of the condition mental health experts call clinical depression(临床抑郁症). That was the finding of a study that builds on earlier study findings. They show that individuals who live or work in low levels of light overnight can develop clinical depression.
Doctors use the word clinical depression to describe severe form of depression. Signs may include loss of interest or pleasure in most activities, low energy levels and thoughts of death or suicide.
In the new study, American investigators designed an experiment that exposed hamsters（仓鼠）to different colors. The researchers chose hamsters because they are nocturnal, which means they sleep during the day and are active at night. The animals were separated into four groups. One group of hamsters was kept in the dark during their night-time period. Another group was placed in front of a blue light, a third group slept in front of a white light, while a fourth was put in front of a red light. After four weeks, the researchers noted how much sugary water the hamsters drank. They found that the most depressed animals drank the least amount of water.
Randy Nelson, at Ohio State University, says animals that slept in blue and white light appeared to be the most depressed. “What we saw is that these animals didn’t show any sleep interruptions at all but they did mess up biological clock (生物钟) genes and they did show depressive sign but if they were in the dim red light, they did not.” He says there’s a lot of blue in white light. This explains why the blue light and white light hamsters appear to be more depressed than the hamsters seeing red light or darkness.
1.From the text we know that ________ made the hamster feel depressed.
A. the amount of the water B. the color of the light
C. the loss of pleasure D. the level of energy
2.What was the purpose of the experiment on hamsters?
A. To show how well they slept.
B. To see how much sugary water they drank.
C. To explain why they liked dark colors.
D. To find out what caused the depression on them.
3.The author explains the clinical depression by _________.
A. reporting an experiment process
B. presenting research data
C. setting down general rules
D. giving his own experience
4.Where can we probably find the text?
A. In a tourist guidebook. B. In a physics textbook
C. In a science magazine. D. In an official announcement.
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Child sponsorship moves beyond the basics
One of the most popular forms of charitable giving in use today is child sponsorship as witnessed by the fact that just one of the leading child sponsorship charities currently has over 1 million individual child sponsors worldwide. Despite this huge level of support, it is not generally understood exactly what child sponsorship actually involves.
Most people tend to assume that one’s chosen charity arranges for sponsors to be matched up with an underprivileged child in one of the poorer underdeveloped countries. The idea is that you essentially take a child under your wing and act almost like a fairy godmother or father until he or she attains adulthood and can stand on his or her own two feet.
To a large extent, this is a pretty accurate impression. New sponsors are matched with individual children and can typically choose which country, which sex and which age group they would prefer. They then exchange photos and letters on a regular basis. This obviously helps the sponsors to see at first-hand how their donations are benefiting the children.
The sponsorship itself costs approximately £15 per month and many donators choose to sponsor more than one child at once. One common wrong impression about these regular donations is that they go direct to the child’s parents or guardian in order to pay for essentials such as food or education. In reality, some of the longest established child sponsorship charities have found that this is largely ineffective and can cause anger among other children in the community who might not be so fortunate.
Instead, some of the largest charities prefer to pool total donations and carry out larger schemes to assist the whole community. Nor are all the funds diverted (分配使用) towards obvious short term relief like providing food, water and basic healthcare. There is a strong emphasis on self-help and personal development so that future generations will be self-sustaining and not so reliant on outside assistance.
To this end, sponsors will often find their donations finding their way into things like training courses to teach teenagers how to farm, small grants (补助金) for business start-ups and introducing the concept of village-based savings and loan organizations.
There is no doubt that the top sponsorship charities have been active for so long in many countries that they are now taking a leading role in aiding the overall welfare of children and ensuring that they are not exposed to discrimination and abuse.
Child sponsorship moves beyond the basics | |
Passage outline | Supporting details |
Current 1. of child sponsorship | ◇Child sponsorship has enjoyed great popularity and huge support. ◇What it actually involves is not quite 2. to the general public. |
A usual practice of child sponsorship | ◇Donators help them until they grow up and can 3. themselves. ◇The charity4. the underprivileged children with sponsors according to their preference. ◇Sponsors keep in5. with the children to know what’s going on with the donation. ◇Donations go to the children’s parents or guardians to pay for essentials, which proves 6. . |
A new practice of child sponsorship | ◇Charities 7. larger schemes covering the whole community by gathering the individual donations. ◇The schemes include training teenagers, 8. their business start-ups and developing their financial awareness. ◇It9. personal development and independence for future generations by focusing on larger schemes. |
Conclusion | ◇Thanks to the 10. efforts of child sponsorship, the overall welfare and the rights of children are guaranteed. |