阅读理解。
As is known to most of us all, the Grammy Award is the granddaddy of all music awards. It is to music
what Oscar is to the movies. The name "Grammy" is short for "gramophone (machine for reproducing music
and speech recorded on flat discs)", since the awards are shaped like those old-fashioned gramophones.
Over the years Los Angeles and New York have played tug-of-war with the Grammy Awards show. What
about the result? The Grammy ceremony has been held 32 times in Los Angeles, 10 times in New York City,
and once in Nashville.
In 1999, the show returned to Los Angeles (at the Shrine, with host Kelsey Grammer) thanks in large part
to a much-publicized feud between the show's organizers and New York Mayor Rudolph Giuliani. And the
Grammys didn't return to the Big Apple while Giuliani was still in office, eventually moving to Los Angeles's
Staples Center.
But with Giuliani finally gone from City Hall, the Grammys returned to New York in 2003, at Madison
Square Garden.
For 2004, the award show moved back to L.A., and has remained here. The 47th Annum Grammy Awards
show was held on Sunday, Feb. 13, 2005, at the Staples Center. The big winners for 2005 were the late Ray
Charles, U2, Alicia Keys, Norah Jones, Los Lonely Boys, Kanye West, Usher, John Mayer, Tim McGraw and
Maroon.
For 2007, the annum Grammy Awards was held at the Staples Center in downtown L.A. The organizers
have decided to move the show back to Sunday again. In 2006, the show was held on Wednesday, Feb. 8.
CBS had moved the show from its usual Sunday spot to avoid competing with coverage of the Winter
Olympics.
On Jan. 31, 2010, the Grammy Awards took place at the Staples Center in Los Angeles. Jamie Foxx and
T-Pain hit the stage with Hip-Hop pioneer Doug E. Fresh and legendary Guns-N-Roses guitarist, Slash.
1. The underlined words "the Big Apple" (In Paragraph 3) refers to _____.
A. the Staples Center
B. Madison Square Garden
C. New York
D. Los Angeles
2. The 40th Grammy Awards show was held _____.
A. in L.A in 1997
B. in New York City in 1998
C. in L.A in 1998
D. in New York City in 1997
3. What is the passage mainly about?
A. The Grammy Award
B. The origin of the Grammy Award
C. The city of L A and NY
D. New York Mayor Rudolph Giuliani
4. rom the passage, we can infer that _____.
A. Los Lonely Boys was one of the big winners for 2005
B. Madison Square Garden is a place belonging to New York
C. Over the years only LA and NY held the Grammy Awards show
D. It's been over fifty years since the first Grammy Awards was held
CH3CH2Br+H2O。已知反应物的用量NaBr(s)0.3mol，乙醇0.25 mol，浓硫酸36 mL(98%，密度1.84 g·cm-3)，水25 mL，其中乙醇的密度约为水的密度的4/5，试回答：
