Boston is a tiny place. Even when inner urban suburbs such as Cambridge, Brookline, Somerville, and Chelsea are included, Greater Boston is still unusually small in scale for a major population center. That gives Boston much of its special flavor. Unfortunately, during times of great prosperity it also creates special challenges.
Perhaps the most pressing of these challenges is housing. As the Phoenix’s special package on housing shows, the apartment shortage in Greater Boston has reached crisis proportions. Since the mid 1990s, rents have gone up by 50 percent or more in some neighborhoods. And even at these grossly inflated prices, apartments are still nearly impossible to come by. Nevertheless, some modest steps can be taken.
It’s the old not-in-my-backyard syndrome: everyone knows there’s a housing shortage, but no one wants to see new housing come into his or her own neighborhood. Such opposition can be eased by involving local residents
A. it has a small population
B. it covers a small piece of land
C. it is unusually small in scale for a major population center
D. few people know about this city
Wisdom teeth are normally the last teeth to appear. This usually happens when people are in their late teen years or early twenties-in other words, when they are older and wiser.
Wisdom teeth are chewing teeth, at the back of the mouth. They can grow into place normally and never cause a problem. But often there is not enough room for them in the mouth. They might crowd other teeth. Sometimes they even push sideways through the gums(牙床).
An impacted wisdom tooth is one that fails to completely rise through the gum-the term is erupt. Wisdom teeth that only partially erupt can leave space for bacteria to enter around the tooth. Infection is a risk in these cases.
Wisdom teeth’that are not well in place and become impacted are often removed. People should have the placement of their wisdom teeth examined between the ages of sixteen and twenty. X-rays can show wisdom teeth that are below the gums.
The American Dental Association says remov
A. they are below the gums
B. they have erupted from the gums
C. they don’t have place to grow normally
D. people are at their late teens or early twenties
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