What does the "invisible hand" refer to？A．Supply and demand.B．Laissez faire.C．Self－interes

What does the woman say about the meeting？A．There is something wrong with the conference r

What does the author mean by $quot;What does the author mean by "context"？<br/>A．It refers to long-term memory.<br/>B．It refers to a new situation.<br/>C．It refers to a store of knowledge.<br/>D．It refers to the search engine.<br/

What does the police investigation reveal about the case？A．The latest case might be drug－r

Why does the author quote the example of naturalist John Muir？A．Because he was one of the

What does the news item say about Joseph Kony？A．He has 100 rebelling troops in hand.B．He i

What does the phrase “clam up” in Paragraph 2 probably mean？A. become excitedB. show r