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  3. The development of these gene technologies may be far in the future, but the moral and social issues raised by them should be di

The development of these gene technologies may be far in the future, but the moral and social issues raised by them should be di

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问题 The development of these gene technologies may be far in the future, but the moral and social issues raised by them should be discussed______, for once a technology has been______, it may be difficult to stop or control.
选项 A、democratically… freed
B、presently … invented
C、summarily… contested
D、seriously… veiled
E、hesitantly… ignored
答案B
解析
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