閱讀理解。
     Nuclear radiation from power plant leaks and bomb tests resulted in millions of fewer baby girls
born worldwide, according to a new study.
      Scientists noted these types of atmospheric blasts rather than ontheground incidents like Chernobyl
(切爾諾貝利), effected birth gender across the globe.
      Scientists at Helmholtz Zentrum M?nchen, Germany, analysed population data from 1975 to 2007
for the U.S. and 39 European countries.
      There was an increase in the number of baby boys relative to girls in all of the countries from 1964
to 1975. This was the case in many eastern European countries for several years after 1986.
     Scientists are putting the first spike down to the atomic bomb tests of the 1960s and 1970s where
radioactive atoms were blasted into the atmosphere. Air currents caught these atoms and then distributed
them around the world.
      They think the second spike is due to the 1986 Chernobyl disaster in which the reactor exploded in
the Ukraine(烏克蘭).
      The effects of Chernobyl were felt locally and no effect was seen in the U.S., probably because it
was too far from the disaster to have an effect.
      "The closer the country was to Chernobyl, the stronger the effect," said study coauthor Hagen Scherb, a biostatistician(生物統(tǒng)計學家) at the German Research Center for Environmental Health in Munich.
      More males were born relative to females in Belarus-the Ukraine's neighbour-than in France.
      The study is based largely on Cold Warera statistics, but the findings are highly relevant for how
gender could be affected after future nuclear disasters.
      And in the wake of Japan's Fukushima Daiichi nuclear power plant accident experts are predicting
another baby boy boom could come, especially on the U.S. West Coast.
      Previous radiation experiments on animals may give a clue for the increase in male births. Tests showed that radiation caused damage to the X chromosome(染色體) in sperm, Dr Scherb said.
       A human sperm cell contains either an X or Y chromosome, while an egg only has an X chromosome. An XY combination will become a boy, while an XX combination will be a girl.
1.How many nuclear radiation accidents are mentioned in the passage?
A.1.    
B.2.    
C.3.    
D.4.
2.Which of the following is true according to the passage?
A.The ontheground incidents like Chernobyl, effected birth gender across the globe.
B.There was an increase in the number of baby boys in many eastern European countries for several
years after 1986.
C.The Japan's nuclear accident will not effect the birth gender of the U.S. because of the long distance.
D.Where radioactive material has spread, women can't give birth to children.
3.How does radiation effect birth gender?
A.It damages the Y chromosome in sperm.
B.It stops X chromosomes and Y chromosomes combining.
C.It kills baby girls before they are born.
D.It damages the X chromosome in sperm.
4.What does the passage mainly tell us?
A.Nuclear age has led to millions of fewer baby girls being born.
B.Nuclear radiation has bad effects upon people's health.
C.Worries about radiation risks.
D.Nuclear age helps reduce the world population.
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閱讀理解

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閱讀理解。
     This tour takes you back in history to a moment that "will live in infamy (聲名狼藉)." Explore the historic
artifacts at the Arizona Memorial Visitor Center commemorating (紀念) the attack on Pearl Harbor, then travel
around beautiful Oahu on a Circle Island guided bus tour.
     The Arizona Memorial Visitor Center is Hawaii's number one visitor attraction. View the film of the attack
on Pearl Harbor and browse the historic artifacts on display. Then ride the Navy launch across Pearl Harbor
to visit the Arizona Memorial. Then, board a tour bus for a scenic trip around the island of Oahu. Get your
cameras ready for the beautiful view over Windward Oahu at Nu' uanu Pali Lookout. Visit Byodo-In Temple,
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before enjoying a no host lunch at the Polynesian Cultural Center (lunch is not included in the listed price).
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          Film viewing at Arizona Memorial Visitor Center, Pearl Harbor
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     Hours of operation:
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& Park, the Battleship Missouri and the Pacific, Aviation Museum. The facility can be found at the entrance to
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daily 6:30 AM to 5:30 PM.
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A. To introduce the beautiful scene in Oahu.
B. To tell the writer attractions in Hawaii.
C. To attract more tourists.
D. To describe a wonderful tour in Oahu.
2. Which of the following is the right order of the tour?
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B. Pearl Harbor, Dole Plantation, Nu'uanu Pali Lookout, Sunset Beach
C. Pearl Harbor, North Shore, Byodo-In Temple, Dole Plantation
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A. the Arizona Memorial 
B. some historic artifacts
C. a film
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[     ]
A. Alice, a student from LA, comes with her parents, with a Sony digital camera in her hand.
B. Geogre Zhang, from Shanghai, leaves his backpack in a locker outside the entrance.
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閱讀理解

     This tour takes you back in history to a moment that “will live in infamy (聲名狼藉).” Explore
the historic artifacts at the Arizona Memorial Visitor Center commemorating(紀念) the attack on
Pearl Harbor, then travel around beautiful Oahu on a Circle Island guided bus tour.
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of the attack on Pearl Harbor and browse the historic artifacts on display.Then ride the Navy launch
across Pearl Harbor to visit the Arizona Memorial.Then, board a tour bus for a scenic trip around
the island of Oahu.Get your cameras ready for the beautiful view over Windward Oahu at Nu’uanu
Pali Lookout.Visit Byodo-In Temple, which is set against a picturesque mountain backdrop.
     You’ll also see the famous North Shore surfing beaches of Sunset, Banzai Pipeline, and Waimea
Bay and drive through rustic Haleiwa Town.Visit Dole Plantation and discover the history of
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Film viewing at Arizona Memorial Visitor Center.Pearl Harbor
Visit of Byodo-In Temple and Dole Plantation
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Mon.-Fri.
     Hours of operation:
7 AM to 5 PM
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   Strict security measures forbid purses, handbags, fanny packs, backpacks, camera bags, diaper
bags, luggage and/or other items.Visitors may bring a camera and cam-recorder.A storage
facility, operated by a private vendor, is available for visitors coming to the USS Arizona Memorial,
USS Bowfin Submarine Museum & Park, the Battleship Missouri and the Pacific Aviation Museum.

1. What is the purpose of the passage above?

A.To introduce the beautiful scene in Oahu  
B.To tell the writer attractions in Hawaii.
C.To attract more tourists.            
D.To describe a wonderful tour in Oahu.

2. Which of the following is the right order of the tour?

A. The Arizona Memorial, Byodo-In Temple, Nu’uanu Pali Lookout, Polynesian    
     Cultural Center
B. Pearl Habor, Dole Plantation, Nu’uanu Pali Lookout, Sunset Beach
C. Pearl Habor, North Shore, Byodo-In Temple, Dole Plantation
D. The Arizona Memorial, Nu’uanu Pali Lookout, Dole Plantation, Polynesian Cultural  
     Center

3. A tourist will see everything below at Pearl Harbor except _________.

A. the Arizona Memorial  
B. some historic artifacts  
C. a film  
D. Windward Oahu

4. Which of the persons below will not be allowed to enter the attractions in Pearl Harbor?

A. Alice, a student from LA, comes with her parents, with a Sony digital camera in her
     hand.
B. Geogre Zhang, from Shanghai, leaves his backpack in a locker outside the entrance.
C. Billy, from Italy, with small bag in hand and inside the bag is a cam-recorder.
D. Hose, from Spain, who has left his luggage in the hotel.

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