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"Our large study did not find evidence for a protective effect of vegetable intake on the occurrence of CVD (cardiovascular disease)," said Qi Feng, an epidemiologist at the University of Oxford, in a statement.

While the study found eating raw veggies could protect against heart disease, cooked vegetables did not. Any benefit went away when researchers factored in lifestyle factors such as physical activity, educational level, smoking, drinking, fruit intake, red and processed meat consumption, and use of mineral and vitamin supplements.

"Instead, our analyses show that the seemingly protective effect of vegetable intake against CVD risk is very likely to be influenced by differences in socioeconomic situation and lifestyle," Feng said.

Don't start celebrating yet, veggie haters. Experts in the UK and United States quickly took exception to the study's conclusion.

"Although this study found that eating more vegetables wasn't associated with a lower risk of heart and circulatory diseases once other lifestyle and other factors were taken into account, that doesn't mean we should stop eating vegetables," said Victoria Taylor, a senior dietitian at the British Heart Foundation, in a statement.

"The results are not surprising. Picking out one single component and assuming just adding it to the diet, e.g., vegetables, is not likely to result in the desired effect," Alice Lichtenstein, director and senior scientist at Tufts University's Cardiovascular Nutrition Laboratory, told CNN in an email.

"One thing that has become clear over the past decade is that we should not be looking at single foods or nutrients, but rather the whole dietary pattern," said Lichtenstein.

I have spent a lot of time studying the ways the human body gives and they provide more reliable information than the words we speak. The words say one thing but the body may say something completely different. We know that crossed arms can be seen as either defensive or aggressive (攻击性的), but what about facial expressions, postures and gestures? All of these say a lot and can only be understood if you know how to make sense of the signs.

Business companies always need my services and I try to improve their confidence by teaching them about body language. I give advice about handshakes, which should always be firm and steady, and I teach the importance of personal space. They may seem like small matters, but these codes of behaviour can be the key to making or breaking a business deal.

My working life gives me a great deal of satisfaction. I feel that I'm providing a public service, but it is a service that has had its downside. Whenever I meet someone new and I tell them what I do for a living, they immediately put their guard up and they're no longer relaxed. They quite literally freeze in the attempt to hide all the signals that they think I'm reading. It makes life difficult at times, but I consider it a small price to pay for a job I enjoy so much.

Helping the butterflies

Organizers of the initiative created educational courses in English and Spanish explaining the butterflies' annual traveling and their trouble. The signs also outline ways travelers can help the butterflies recover, such as by supporting chemical-free farms and planting native nectar (花蜜) gardens.

Why butterflies fly to the California coast

Many stops in Pismo State Beach Monarch Butterfly Grove and Andrew Molera State Park, are overwintering sites where, from October to February, travelers can see thousands of butterflies gathering in forests in areas with mild temperatures.

Other sites, like the San Luis Obispo Botanical Garden and Avila Valley Barn, grow flowers that provide sugary, high-calorie food for the butterflies to eat. Butterflies settling here demonstrate how vital nectaring plants are to their survival.

How to explore the Western Monarch Trail

The butterflies' behavior varies at different times of day and depending on the weather. In the mornings, while temperatures are still cool, step out of the cottage in the Fernwood Resort where you stay overnight, you'll find many butterflies hanging together on the branches and trunks of trees at the overwintering sites. As the day starts to heat up — typically by late morning or early afternoon — you'll be amazed at the phenomenon "sunburst" — the butterflies start flying around in search of nearby nectar. Keep your eyes skyward. Don't grab your camera. Just be in the moment.

— Well, my brother Toby together with me ________ to Morocco at 4:00 tomorrow afternoon.

Preserving the fresh produce

注意：

1. 写作词数应为80个左右;

2. 请按如下格式在答题卡的相应位置作答。

Dear Sam,

________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Yours,

Li Hua

On the playground of a town school in Tanghe county in Central China's Henan province, a bus full of science kits stops by. It quickly draws a crowd of pupils eager to explore is inside.

Soon, several robots are carefully unloaded the bus and begin dancing with consistent human-like moves. The children watch cheerfully, bursting into laughter as the robots (gentle) extend their hands to invite them to join the dance.

The bus was not a performance group of any kind a mobile science class jointly organized by the Ministry of Education, the China Science and Technology Museum and a social media platform, (aim) to sow seeds of passion for science among children in the (country) vast rural areas.

Lyu Guofan, chairman of the Henan Association for Science and Technology, says that rural areas are mostly faced with a (short) of teachers and equipment (qualify) for scientific education.

Since February, scientists, science educators and science museum staff (walk) into 18 town schools in the Guangxi Zhuang autonomous region and Henan and Gansu provinces. In May last year, the education ministry and other departments released a document (strengthen) scientific education in primary and secondary schools, promising to ensure that a more sound system will be in place in three to five years.

Toward the end of the year, Mr. Dalton wanted to check our2 of geometry and gave us a 25-question true/false test. The test presented each3 with a conclusion shown. If we could4 the result using our theorems (定理) , the answer was true; otherwise, it was false.

I breezed through 24 problems, but number 17 was a5! I spent 30 minutes on that proof,6 my page with theorems and calculations, until the proof was there at last.7, I marked the question true and handed in the test.

8, I received a 96, and number 17 was marked wrong! When Mr. Dalton asked if there were any questions, my hand9 . "The correct answer to number 17 is true!"

Instead of10 that this was a nationally standardized test and what I could possibly know about the answer, Mr. Dalton gave me an11 smile and asked me to present my proof to the class. After my demonstration, everyone agreed, with12 no less, that the correct answer was true.

Ever since that geometry class, I've developed the confidence to13 my own ideas. I am grateful to Mr. Dalton for allowing me to challenge his14. The experience of that day was like a15 from Mr. Dalton and it has served me well in my life.