更多"Scientists Make Sweet Discovering "的相关试题:
[单项选择]
Scientists Make Sweet Discovering
Good news for chocoholics: the treat preferred by millions all over the world is good for you, according to American researchers at the University of California. Chocolate contains substances called flavonoids that can help maintain a healthy heart and good circulation. The researchers have discovered that cocoa acts like aspirin and that eating a bar of chocolate has also been shown to release endorphins in the body: these chemicals help to reduce pain and stress and make you feel happy.
The Olmec Indians of Mexico and Central America were the first to grow cocoa beans, in about1500 BC, and the Mayas were drinking unsweetened coca hundreds of years before it became fashionable in Europe.
In 1544, a delegation of Mayan nobles visited Philip of Spain and gave him jars of cocpa as a gift. Cocoa soon became fashionable in Spain and Portugal. The Spanish were the first to add sugar to their cocoa dr
A. It reduces pain and stress.
B. It contains substances called flavonoids.
C. It releases endorphins in human body.
D. It acts like aspirin to protect heart.
[单项选择]第二篇
Scientists Make Sweet Discovering
Good news for chocoholics: the treat preferred by millions all over the world is good for you, according to American researchers at the University of California. Chocolate contains substances called flavonoids that can help maintain a healthy heart and good circulation. The researchers have discovered that cocoa acts like aspirin and that eating a bar of chocolate has also been shown to release endorphins in the body: these chemicals help to reduce pain and stress and make you feel happy.
The Olmec Indians of Mexico and Central America were the first to grow cocoa beans, in about 1500 BC, and the Mayas ere drinking unsweetened coca hundreds of years before it became fashionable in Europe.
In 1544, a delegation of Mayan nobles visited Philip of Spain and gave him jars of cocoa as a gift. Cocoa soon became fashionable in Spain and Portugal. The Spanish were the first to add sugar to their cocoa drink.
By the middle of the century, solid chocol
A. It reduces pain and stress.
B. It contains substances called flavonoids.
C. It releases endorphins in human body.
D. It acts like aspirin to protect heart.
[单项选择]
You may make good grades by studying only before examinations, but you will succeed eventually only by studying hard every day（）
A. in due course
B. in the long run
C. in the main
D. in the first place
[简答题]关于媒体报告信息的
C. make good contacts
[填空题]You should make good use of your time. There is not a moment to ______ (loss).
[简答题]
Directions:
you get the good news that your good friends got married recently. You write to show:
you should write about 100 words on ANSWER SHEET 2. Do not sign your own name at the end of the letter. Use "Liu Yu" instead. You do not need to write the address. ( 10 points)
[单项选择]Happy Earth Day
The Good News
Here’s the good news: our air is cleaner, our lakes are purer, our forests are healthier, endangered species are recovering, toxic emissions are down, and acid rain has diminished dramatically. And yet, if you’ve looked at a newspaper or watched the evening news lately, you might think our environment is under siege(围攻). Media coverage of the environment is heavy on doomsday, but the truth is not at all break: nearly all environmental trends in the United States are positive and have been for years--if net decades.
Eco-legislation, green organizations, corporate cooperation and new inventions have all quietly steered our environment in a positive direction. We can’t afford to be complacent(自满的), though--especially when it comes to greenhouse gases, since global warming is the one huge problem we haven’t really tackled. But almost every measure taken by government agencies and grass-roots efforts tn improve the environment has
A. grass-roots organizations
B. individual activism
C. environmentalists
D. environmental regulation
