A.confident
B.important
C.together
D.exciting

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VI. Read the text and questions below. For each question, circle the letter you choose A, B, C or D.
The agricultural revolution in the 19th century involved two things: the invention of labour-saving machinery and the development of scientific agriculture. Labour-saving machinery naturally appeared first where labour was scarce. "In Europe," said Thomas Jefferson, "the object is to make the most of their land, labour being abundant; here it is to make the most of our labour, land being abundant." It was in the United States, therefore, that the great advances in 19th century agricultural machinery first came.
At the opening of the century, with the exception of a crude plough, farmers could have carried practically all of the existing agricultural implements on their back; by 1860, most of the machinery in use today had been designed in an early form. The most important of the early inventions was the iron plough. As early as 1790 Charles Newbold of New Jersey had been working on the idea of a cast-iron plough and spent his entire fortune in introducing his invention. The farmers, however, were not interested in it, claiming that the iron poisoned the soil and made the weeds grow. Nevertheless, many people devoted their attention to the plough, until in 1869 James Oliver of Indiana turned out the first chilled-steel plough.
What is the main topic of the passage?
A.The need for agricultural advances to help feed a growing population.
B.The development of safer machines demanded by the labour movement.
C.Machinery that contributed to the agricultural revolution.
D.New Jersey as a leader in the agricultural revolution.

VI. Read the text and questions below. For each question, circle the letter you choose A, B, C or D.
The agricultural revolution in the 19th century involved two things: the invention of labour-saving machinery and the development of scientific agriculture. Labour-saving machinery naturally appeared first where labour was scarce. "In Europe," said Thomas Jefferson, "the object is to make the most of their land, labour being abundant; here it is to make the most of our labour, land being abundant." It was in the United States, therefore, that the great advances in 19th century agricultural machinery first came.
At the opening of the century, with the exception of a crude plough, farmers could have carried practically all of the existing agricultural implements on their back; by 1860, most of the machinery in use today had been designed in an early form. The most important of the early inventions was the iron plough. As early as 1790 Charles Newbold of New Jersey had been working on the idea of a cast-iron plough and spent his entire fortune in introducing his invention. The farmers, however, were not interested in it, claiming that the iron poisoned the soil and made the weeds grow. Nevertheless, many people devoted their attention to the plough, until in 1869 James Oliver of Indiana turned out the first chilled-steel plough.
Which of the following can be inferred from what Thomas Jefferson said?
A.Europe was changing more quickly than the United States.
B.Europe had greater need of farm machinery than the United States did.
C.The United States was finally running out of good farmland.
D.There was a shortage of workers on United States farms.