V.听短文和问题,选择正确答案(共7小题;每小题1分,满分7分)(C)19. When did Americans start eating popcorn in movie theaters? A. Before the 1930s. B. In 1930. C. In the 1930s. A )20. What do Americans seem to like eating best? A. Popcorn. B. Cheese. C. Snacks.C B)21. What...
When you're eating at the table,it's impolite to start eating first if there are older people at the table.当你在餐桌上吃东西时,如果餐桌上有老人,那么先开始吃是不礼貌的。学It is+形容词+to do sth.“做某事是……的”,其中it是形式主语,动词不定式短语作真正的主语。练1回答这些问题很简单。
students at one school did just that! They jumped on bikes connected to generators (发 电机) and pedaled in place. Soon they were producing electricity. This energy is needed to run their computers. Here is how bicycle - powered energy works. When a student pedals the bike,the back wheel...
Between 9 and12 months, your baby may start showing signs that they will walk soon.These actions include pulling themselves up to stand, briefly standing without support, and "cruising" along furniture for balance.You might also notice changes like increased fussiness or disrupted sleep, as growth...
Another condition that causes behavioral changes iscanine cognitive dysfunction syndrome (CCD or CDS). CCD is a process similar to dementia and is often compared to early stages of Alzheimer’s disease in humans. This age-related change is due to a dog’s brain deteriorating, which causes chang...
As grizzly bears expand their range into places where they haven’t been seen in a century or more, they’re increasingly being sighted by humans. The western half of the US was full of grizzlies when Europeans came, with a rough number of 50,000 or more living alongside Native Americans...
Science has shown that a diet (饮食) of processed food is not healthy for humans. Scientists from the University of Helsinki, in Finland, say this diet is not good for our pet dogs, either. The scientists discovered that the foods a dog might find in an owner’s home such as eggs, ...
High-protein foodsare proven to help youfeelfull and stay that way for longer. Eating lean proteins, like grass-fed beef, wild fish and organic chicken, canprevent overeatingandmight even helpyou lose weight. In fact, it’sbeen foundthat increasing protein intake, along with moderate exercise...
Different countries have different customs.When you are in different countries,you should follow their customs.In China,it's impolite to talk when eating dinner.And you're not supposed to start eating first if there are older people at the
Persons who are overweight should watch their diet carefully in order to lose pounds. The, best way to do this is to start a weight control program. At first it is wise to talk with your doctor. He can advise you of the number of calories(卡路里) you should have in your meals each ...