Which alternative presents a word or expression that can replace the word whether (l.40) without changing the literal meaning of the sentence?

Consider the statements below in relation to the text.
I - There seems to be an unsolved contradiction between heavy investments on IT and the expected results. II - There are still no accurate ways to measure the impact of IT on productivity growth. III- In the 90s, information technology finally helped to raise the productivity growth rates.
Which ones are correct?

Select the alternative that adequately fills in the blanks in lines 09,10 and 19.

Select the alternative that adequately fills in the blanks in lines 03,04 and 06.

Classifique os verbos da segunda coluna de acordo com a tipologia da primeira coluna.
(1) verbo de ligação (2) verbo pleno (significativo)
( ) é (l.02) ( ) permanece (l.42) ( ) fica (l.43) ( ) estejamos (l.51) ( ) se tornam (l.27)
A sequência correta de preenchimento dos parênteses, de cima para baixo, é