题文
Never are we allowed to pursue our economic development______ destroying the environment.
| A．at the risk of | B．at the cost of |
| C．at the end of | D．at the mercy of |
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Never are we allowed to pursue our economic development______ destroying the environment.
| A．at the risk of | B．at the cost of |
| C．at the end of | D．at the mercy of |
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