Why does the author think it is wrong to believe that “the public speaker is a specially gifted individual” (Para. 4)?

A．To indicate that watching news is common in the evening. B．To explain America's cultural invasion of France. C．To give an example of the acceptance of American culture. D．To show that France has submitted to America.

A．Because this is the need of both sides' interests. B．Because the U. S. has long had a good relationship with Europe. C．Because the U. S. always takes its role in global leadership. D．Because this could help build a strong partnership.

A.Because they make science exciting. B.Because they promote economic growth. C.Because they increase Americas national power. D.Because they show what technology can bring.

A．To demonstrate how the westward expansion of the United States came about. B．To illustrate Washington's contribution to the evolution of the United States. C．To explain why Jefferson was chosen to be one of the presidents on Mount Rushmore. D．To show why Jefferson's inclusion on Mount Rushmore was a contentious issu

A.They ale approximately the same size． B.They shale many similar species． C.Most of their inhabitants require water． D.Both have many different forms of life．

A．Yes. Because the once dark rural areas are polluted by lights. B．No. Because they can still see stars in rural areas. C．Yes. Because rural areas are not a good place for astronomers m study stars. D．No. Because faint light given off by stars can still be seen on a clear night.

A．To warn about possible risks involved in phytoremediation B．To help illustrate the potential of phytoremediation C．To show that hyperaccumulating plants grow in many regions of the world D．To explain how zinc contamination can be reduced

A.Herealizesthereisagreatdividebetweenhislifeandthatofblue-collarworkers. B.Helooksdownuponthemechanicalworkattheassemblyline. C.Hehasnotdonemuchtohelphisco-workersatthefactory. D.Hehasstayedatschooljustforthepurposeofescapingfromtherealworld.

A．Because he is good at motivating people and getting them to work together as a team. B．Because he is hard-working, responsible and diligent. C．Because his graduate school training combined with his internship qualifies him for the job.

A．To describe how the differences between Pleistocene and Cambrian quartz reveal information about dating rocks B．To point out that the chemical composition of quartz makes it more difficult to date than other rocks C．To provide an example of how regional differences in rock sequences can make a particular rock difficult to date D．To explain that rocks are difficult to use for dating because their chemical compositions always remain the same over time

A．It confuses her. B．It embarrasses her. C．It helps her understand the world. D．It helps her tolerate rude people.

A．Because they are the origin of the myxoma virus B．Because they carry the myxoma virus to other animals C．Because they die when they are infected by myxoma D．Because they have an immunity to the myxoma virus

A．It is intended to further help the poor. B．It is made to serve political purposes. C．It is a positive response to changed circumstances. D．It is an attempt to combat the economic recession.

A．Dressing for work． B．Working with colleagues at the office C．Sleeping normal hours． D．All the above

A．Because their typed dialogue online can cause misinterpretation． B．Because the computer keeps crashing． C．Because her boyfriend lacks emotional care for her．