_四川成人高考

What will happen when students depend too much on research tools ?

• A、They won’t make good use of books.

• B、They don’t copy work done by others.

• C、Their studies will be greatly improved.

• D、Their attention to things will last longer.

51.________.

It's truly a beautiful place,_________I don't want to live here.

• A、as

• B、so

• C、and

• D、But