1 . 然而，随着这一技术不断迅猛发展，如何恰当地使用这一技术也成了问题。
As the technology continues to develop __________ __________ __________ __________, however, questions arise about how to use it appropriately.

2 . Safety should be a ________ in any industry and it should come as no surprise that addressing safety issues early can actually save money, long-term, for companies.

A．priority

B．pace

C．pose

D．peak

4 . 他们正在飞速消耗自然资源。
They are ______ ______ natural resources ______ ______ ______ ______

5 . We are supposed to keep p_____ with the new development of modern scientific researches. （根据首字母单词拼写）

6 . Scientists have to work hard to keep ________ with modern discoveries and developments.

A．company

B．track

C．pace

D．touch