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  3. The development of these gene technologies may be far in the future, but the mor

The development of these gene technologies may be far in the future, but the mor

游客2024-01-11  64
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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