[填空题]Two hundred of the bicycles (sell) ______ since the beginning of the year.

[填空题]Two hundred of the bicycles (sell) ______ since the beginning of the year.

[填空题]Two hundred of the bicycles (sell)（）since the beginning of the year.

[简答题]

Since the 19th century, Nathan Hale has been widely viewed as an American hero. He was the first American executed for spying for his country. Statues of him stand in New York City, at Yale University, and at the Central Intelligence Agency’s headquarters. (46)His last words, "I only regret that I have but one life to lose for my country" indicate his deep devotion to his nation and have been an inspiration to subsequent generations of Americans.
In September of 1776, Nathan Hale was a 21-year old captain in the Continental Army during the American Revolutionary War. (47) When there was a need for intelligence gathering following the American loss of Long Island, Hale volunteered to cross enemy lines and gather as much information about the British army in New Work as he could. To do that, he disguised himself as a Dutch schoolteacher and made his way to New York from Norwalk, Connecticut.
His activities upon arriving at New York rema

[填空题]Two hundred computers (sell) ______ since the beginning of the year.

[单项选择]The subject has fascinated me since I first had the ______ of being led into it as a postgraduate student of Professor J. C. Smith in the mid 1960s.
A. preconception
B. propriety
C. prospect
D. privilege

[单项选择]The Internet is changing the way musicians sell their work and broadening the range of music that consumers get to hear. Says A1 Teller, former chief executive of MCA Music Group who now heads Atomic Pop, a new company that will sell downloadable music on the web: "What the web offers is an opportunity for the artist to go directly to the consumer." Musicians and entrepreneurs are exploring new ways of putting the technology to use. DJ Spooky recently featured his music on a deejay website that encouraged users to remix his work and e-mail the new creations to Others; he’s now putting the finishing touches on his own site. The California-based company Liquid Audio offers free downloads of songs by groups like Hole that self-destruct (自毁) after a few days, teasing listeners to buy the whole CD. In the physical world, because of promotion and production costs, musicians release songs in bunches (成组), and fans often have to wait years between CDs. Online, a number of acts, including rocke
A. composing on the web
B. featuring their music on the web
C. selling their work on the web
D. getting in touch with the consumers directly

[单项选择]We are confident to overcome diflfjcuries since the government has agreed to give us some help．
A. 既然政府答应给予帮助，我们就有信心克服困难。
B. 自从政府答应给予帮助以来，我们就有信心克服困难。
C. 我们都在等政府给予帮助以渡过危机。
D. 因为政府答应给我们一些帮助，我们就有信心克服困难。

[单项选择]We are confident to overcome difficulties since the government has agreed to give us some help.
A. 既然政府答应给予帮助，我们就有信心克服困难。
B. 自从政府答应给予帮助以来，我们就有信心克服困难。
C. 我们都在等政府给予帮助以渡过危机。
D. 因为政府答应给我们一些帮助，我们就有信心克服困难。

[填空题]Impersonal conversation at a distance of two or three feet is normally appropriate for both South Americans and North Americans.