填空题

Engineers and biologists work together to find natural solutions to technological problems.

【参考答案】

Y

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问答题

有不少绝症病人和病人的家属认为安乐死应该合法化。 2．但是也有不少人不同意把安乐死合法化。 3．我的看法。

填空题

Velcro is probably the most famous and certainly the most successful example of biological mimicry, or biomimetics .