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河南省洛阳八中2009-2010学年高二下学期5月段考（英语）
1. Many experts agree that once these treasures are _______ to the air, great harm will be done to them. So they think it better not to unearth the treasures.
A. exposed B. threatened
C. constructed conserved
2. While watching television,__________.
1. Many experts agree that once these treasures are _______ to the air, great harm will be done to them. So they think it better not to unearth the treasures.
A. exposed B. threatened
C. constructed conserved
2. While watching television,__________.
