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听力原文： Attention passengers. The 6:50 A.M. nonstop express train from Union Station Washington to Penn Station New York is now ready for boarding. This is a two-hour forty-minute trip and the train is due to arrive in Penn Station at nine-thirty A.M. All passengers with tickets for the six-fifty nonstop express train to New York, please line up at Gate Ten. This is an all-reserved train. Passengers without prepaid reservations will not be allowed to board. Passengers may check their excess luggage at the gate at no extra charge. Please have your ticket ready to show to the gate attendant. What time does the train arrive in New York?A.
9:30.
B.
2:40.
C.
6:00.
D.
6:15.
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【单选题】We learn from the passage that no identical profiles were found with identical twins ______ .
A.
who were born of ambitious parents
B.
who are very intelligent
C.
who were separate at birth
D.
who are both ambitious
【单选题】The twins in Shanghai last week but now they in Hainan. [ ]
A.
are ; are
B.
were ; were
C.
were ; are
D.
are ; were
【单选题】The twins in Dalian last year. They here now. [ ]
A.
are; were
B.
were; are
C.
was; are
D.
were; was
【简答题】When the twins were three months old, their parents died, and they were placed in separate foster(抚养)homes.
【单选题】— Why was it so noisy over there? — The Twins were surrounded by their fans ____ they stepped out of the hall.
A.
until
B.
the moment
C.
in case
D.
so that
【单选题】Why study identical twins that were separated at birth?
A.
Yes,identical twins tend to be similar if they didn't grow up together.
B.
ldentical twins inherit the same genes.
C.
Twins feel close because they have a similar appearance.
D.
Studying them helps us understand biolgical influences.
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