[填空题]Firecrackers have been around for a short time.

[填空题]Firecrackers have been around for a short time.

[单项选择]Grooming and personal hygiene have been around for ages. It’s hard to imagine a time when people weren’t concerned with taking care of their appearance and their bodies. Perhaps these practices started when Adam first took a bath and combed his hair before going on a date with Eve. Or maybe they began when Eve put on some herbal makeup to make herself more beautiful. No matter where they started, grooming and personal hygiene have become an important part of everyone’s daily routine.
You might think that all modern societies would have the same grooming and personal hygiene practices. After all, doesn’t everybody take baths Most people do recognize the need for hygiene, which is the basis for cleanliness and health--and a good way to keep one’s friends. Grooming practices include all the little things people do to make themselves look their best, such as combing their hair and putting on makeup. However, while most modern people agree that these things are important, people in dif
A. grooming and hygiene are originated from Adam and Eve.
B. grooming and hygiene have a long history.
C. grooming and hygiene are important for dating.
D. grooming and hygiene are the gifts endowed by Go

[简答题]Although machines have been around for a long time and people have adapted easily to living with most of them, they haven’t yet learned how to live in harmony with the newest of these: the personal computer.(76) This is so because the widespread use of the personal computer is a relatively new phenomenon. There was the widely publicized case of a family man who became so absorbed in his computer that he spent long hours with it. (77) Of course, if he was spending long hours with his computer, he was spending less time with his family.And if his wife needed to see him, he was unavailable. She became so upset by this state of affairs that she delivered an ultimatum (最后通牒), declaring that unless he spent fewer hours with the machine and more with her and the family, she was going to divorce him. This issue became so serious that the couple had to go to a doctor to resolve it. (78) The fortunate result was that the husband reduced the time he spent with the computer, and the marriage was

[简答题]Men have been travelling across and around the equator on wheels, on their feet or in ships for thousands of years; but only a few men, with great difficulty and in very recent time, have ever crossed the ice to the North Pole. (Passage 1 )

[简答题]Viruses have been around longer than PCs, and are not without a certain mathematical and scientific interest. Indeed, not all viruses are malignant. Used properly, viral techniques are a valuable programming tool. Used improperly, they are pestilentially destructive. There’s no perfect cure. Like the flu, computer viruses evolve. Last year’s immunization isn’t any good for this year’s disease because every time someone invents a new medication, someone else invents a malady. Nonetheless, a few simple precautions will buffer you against all but the cleverest hacker.

[填空题]What have Edmond Brothers been
They have been ______.

[单项选择]Ghost stories have probably been around as long as humans have had language. The Epic of Gilgamesh, thought by many scholars to be the oldest written story, contains many references to the spirits of the dead. That is the most basic definition of a ghost- a person’s spirit that continues to exist in some form after the physical body has died. Most religions describe an afterlife where these spirits are sent to be either rewarded or punished for their deeds in this life. A lot of ghost stories focus on spirits that return from this afterlife or never get there in the first place instead, they interact with people in the physical world.
Why do these spirits have such a hard time getting to, or staying in, the afterlife Ghost believers often cite "unfinished business" in the dead person’s life. Sudden violent or traumatic death is another reason given for hauntings. In some cases, people seem to have formed such a strong bond to a specific Place in life that his or her spirit ret
A. Unfinished business.
B. Violent death.
C. A bond to a place.
D. To get rewarded of punishe