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.

这种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，这类事件往往也会引发各种矛盾。

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