1.Building large new hospitals in the bistate area would constitute a wasteful use of resources,(on the basis of aviodance of duplicated facilitied alone).

a

b on the grounds of avoiding duplicated facilitied alone

e if only because the duplication of facilities should be avoided

the answer is e, why b is incorrect?

2 (To read of ) Abigail Adams' lengthy separation from her family, her difficult travels, and her constant battles with illness is to fell intensely how harsh life was even for the so-called sristocracy of Revolutionary times.

a

b Reading about

the answer is a, why b is incorrect? and what is the usage of "to read of", how to use it?

3.(Seeming to be) the only organization fighting for the rights of poor people in the South. Hosea Hudson, a laborer in Alabama, joined the Communist party in 1931.

a

b As

e Because it seemed to be

the answer is e, why b is incorrect?

4.Quasars are so distant that their light has taken billions of years to reach the Earth; consequently, (we see them as they were during) the formation of the universe.

a.

d they appear to us as they did in

the answer is a, why d is incorrect?