The first response

The speaker was measured, leaving a pause after each question instead of trying to fill every silence. She was resolute when asked whether she wished to withdraw her objection. Her papers trembled slightly as she turned a page. Until then, I had assumed that confidence meant showing no sign of nerves. Here was someone who was visibly uncomfortable and still able to make the decision she had come to explain.

From the passage, select two words or phrases that describe the speaker's controlled and determined manner.