国际支持在公司内部引发了一种新的乐观情绪。

International support has ___given ___rise ___to a new optimism within the company.

这些细菌生活在人体内，但不会引起任何症状。

The bacteria live in the human body but do not ___give ___rise ___to any symptoms.

然而，通常情况下，此类事件也会引发各种矛盾。

More often than not, however, such events will also ___give ___rise ___to all sorts of contradictions.