英検2級 筆記　本番形式； Part3-B

(English proficiency test Grade2 / reading part3-B)

English proficiency test Grade2 / reading part3-B

(A Powerful Bond)

A Powerful Bond

(When someone fracture, a doctor can usually treat it so that it heals naturally.)

When someone fracture, a doctor can usually treat it so that it heals naturally.

(In some cases, though, the break is so complicated, )

In some cases, though, the break is so complicated,

(and the different parts of the bone have to be held together with a metal pin or screws.)

and the different parts of the bone have to be held together with a metal pin or screws.

(In other cases, there're so many small pieces of broken bone that even this technique can't be used.)

In other cases, there're so many small pieces of broken bone that even this technique can't be used.

(The optimal solution would be to create a glue that could be used on bones.)

The optimal solution would be to create a glue that could be used on bones.

(So far, however, no glue has been invented that can work in the wet cond. of the human body.)

So far, however, no glue has been invented that can work in the wet cond. of the human body.

(One place where researchers have been looking for an answer is seabed.)

One place where researchers have been looking for an answer is seabed.

(There're various creatures, such as shellfish, that live in the sea and yet manage to stick to things.)

There're various creatures, such as shellfish, that live in the sea and yet manage to stick to things.

(Since the 1980s, )

Since the 1980s,

(scientists have been studying them in the hope of finding a way to create a glue would work inside the body.)

scientists have been studying them in the hope of finding a way to create a glue would work inside the body.

(Unfortunately, no one has yet been able to make such a glue.)

Unfortunately, no one has yet been able to make such a glue.

(Now, one scientist, Russell J. Stewart of the University Utah in the US, )

Now, one scientist, Russell J. Stewart of the University Utah in the US,

(thinks that he may have found the answer.)

thinks that he may have found the answer.

(Since 2004, Stewart has been studying the sandcastle worm, a small worm lives in the sea.)

Since 2004, Stewart has been studying the sandcastle worm, a small worm lives in the sea.

(The worm gets its name from the fact that it builds a residence out of sand and pieces of shell.)

The worm gets its name from the fact that it builds a residence out of sand and pieces of shell.

(The worm produces a glue from its head that it goes to stick the sand and shells together.)

The worm produces a glue from its head that it goes to stick the sand and shells together.

(This glue becomes stiff when the amount of acid in the water around it changes.)

This glue becomes stiff when the amount of acid in the water around it changes.

(This is so different from normal glue, which hardens as it dries out in the air.)

This is so different from normal glue, which hardens as it dries out in the air.