3 . 使用恰当的过渡衔接词连句成篇
①人类从诞生之日起，为了满足自身需要，不断从自然界获取灵感，寻求解决问题的办法。②人们向蝙蝠学习制造雷达，向池塘中的蜻蜓学习改善飞机的飞行性能。③大自然是人类出色的老师，但有些人反对向自然界学习，认为这些发明创造都是理所当然的。④人类应和大自然和谐相处，作为回报它会带给我们巨大的利益。⑤虽然人类主宰了这个世界，但我们不能违背自然规律，否则我们会受到大自然的惩罚。
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4 . 另外，书籍和电影是两种不同的媒体形式，因此有着不同的规则。(汉译英)
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5 . 乌龙茶在某种程度上介于绿茶和红茶之间。它的加工技术是绿茶的加工技术，但准备工作涉及像红茶一样的发酵-它是一种半发酵的茶。因此，它兼具绿茶和红茶的特点：绿茶的清新味道和红茶的浓郁香味。(汉译英)
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7 . Most of them choose to keep their present jobs, which might not be well-paid, but are stable ________.

A．eventually

B．regardless

C．instead

D．therefore

8 . He has never studied English before, ________________.
他以前从来没有学过英语，因此我们应该给他更多帮助。

9 . He was very tired and ________ he fell sound asleep.
＝He was very tired. ________ he fell sound asleep.
＝He was very tired, ________ he fell sound asleep.
＝He was very tired; ________ he fell sound asleep. (用适当的词填空)

10 . 该公司不仅提供了优质的产品，还致力于改善客户服务，从而赢得了广大客户的信赖和好评。
The company not only provides high-quality products but also is committed to improving customer service, ________________.