An() performs a very important job. his is a very() job. he does his job so stealthily that he remains(c) ) and unnoticed by the enemies. he has an() in the art of spying. at first he is ( (train) how to perform his duties being ().his position becomes () if he is (). so, he needs more() in his () life, this is just for his own safety.

Stress generally occurs when someone? a.becomes overconfident b.disregards others c.feels overwhelmed

Read the excerpt from "the most dangerous game." again rainsford lifted the heavy knocker, and let it fall. the door opened then, opened as suddenly as if it were on a spring, and rainsford stood blinking in the river of glaring gold light that poured out. the first thing rainsford's eyes discerned was the largest man rainsford had ever seen—a gigantic creature, solidly made and black bearded to the waist. in his hand the man held a long-barreled revolver, and he was pointing it straight at rainsford's heart. the details of this excerpt show that rainsford sees ivan as a(n) individual.

What is a mechanism by which organisms maintain homeostasis when the level of one substance influences the level of another substance or the activity of an organ.