2.____ examine the travel and identification documents of all people entering a country.
A. Customs officials
B. B. First officers
C. Customs inspectors
D. Immigration officers
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1. All of the following are located in Xi'an except____ .
A.The Bell Tower
B. Tang Paradise
C. Fubo Hill
D. D. The Big Wild Goose Pagoda
Nomads are people who _____.
A. live in tents
B. travel over the houses won't hurt people in an earthquake the desert
C. wander from place to place
D. set up tents over the desert
14.In earthquake-affected countries, light building materials are used because _____.
A. people there can move more easily
B. people there can move more easily
C. less damage will be caused in an earthquake
D. people will not be affected by the earthquake
13.In cold countries roofs slope steeply ______.
A. so that people can build caves under it
B. so that the roofs won't become so heavy
C. because people do not need snow to build the house
D. so that the snow can slide off easily
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