—What's up? You look so happy． —I just__...

A modern city has been_____ since 1980.

A.set down B.set up C.set out D.set off

All the students ________ laughter when John walked into the classroom like Donald Duck.

A.burst into B.broke out C.burst out D.broke up

If you can’t _____ a better plan, we have to carry out the present one.

A.come along with B.come up with

C.come across D.come about for

假设你是红星中学高一学生李华。你的英国笔友 Peter 对科学研究感兴趣，他来信请你介绍一位中国的科学家及其研究成果。请你给他回信，内容包括：

1. 科学家的姓名;

2. 科学家的研究成果；

3. 该研究成果的意义。

注意：1. 词数不少于 50；

2. 开头和结尾已给出，不计入总词数。

Dear Peter,

_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Yours,

Li Hua

Travel Is Good For Your Health

Americans are losing their vacation days, leading to more stress, anxiety and other negative effects because of not taking time off from work. In fact, a report by Project: Time Off, shows U.S. employees took about 16 vacation days in 2013, down from about 20 in 2000. Apart from taking away yourself the chance to improve your productivity and work performance, not taking a break can lead to overloaded stress and other potentially damaging. 1.

After all, vacations offer the chance to relax and restore your health. 2. You should travel to new places because traveling somewhere new can enable you to put yourself in new surroundings and recharge your brain power.

3. According to Dr. Margaret J. King, the director of the Center for Cultural Studies & Analysis, “There are lots of psychological benefits when you travel from home and work to ‘third places’, not just experiencing the environment. With a short list of activities each day, freed up from the projects and relationships, the mind can reset, as does the body, with stress relief the main outcome.” she says.

Little sleep mixed with high stress can lead to anger and negative consequences on your cognitive performance and efficiency. Max Hirshkowitz, chairman of the board of the National Sleep Foundation says a vacation is a great opportunity to catch up on sleep. 4. “Keep that time,” he says. “Make it an important thing you need.”

Many studies suggest that travel can improve our emotional state. A 2014 survey conducted by Diamond Resorts International found over three-quarters of people said feeling happier when they planned a trip at least once a year. Dr. Leigh Vinocur, a certified physician and spokesperson for the American College of Emergency Physicians, isn’t surprised by the findings. “It’s hard to sit on a beautiful beach somewhere and think about paperwork or deadlines. That is why over three-quarters of people to the Diamond Resorts International survey reported feeling happier when they regularly had a vacation. Regular vacations while taking time for yourself and your family lowers your stress level. 5.” she says. Besides, studies show that looking back on the pleasant vacation may keep happiness long after your trip.

A.They have bad effects on your health, experts say.

B.Traveling has many advantages, with stress relief topping the list.

C.Travelers may be more active than sitting in an office chair all day.

D.Travel can help us reset our emotions and actually increase compassion.

E.But simply taking some time from your demanding workday schedule isn’t enough.

F.To feel more energized, the NSF recommends at least seven hours of sleep per night for adults.

G.It also decreases the production of all the stress hormones that contribute to damaging our health.