square

Passage 1Questions 1 to 5 are based on the following passage:  As the National Park Service celebrate its 100th anniversary(周年纪念), President Barack Obama has announced the establishment of one new national monument, and the expansion(扩大) of another. In Ma

Passage 1Questions 1 to 5 are based on the following passage:  As the National Park Service celebrate its 100th anniversary(周年纪念), President Barack Obama has announced the establishment of one new nat

Passage 3  Today anyone will accept money in exchange for goods and services. People use money to buy food, furniture, books bicycles and hundreds of others they need or want. When they work, they usually get paid in money. Most of the money today is made

Passage 3  Today anyone will accept money in exchange for goods and services. People use money to buy food, furniture, books bicycles and hundreds of others they need or want. When they work, they usu