Vignette
digress
redoubtable
clandestine
succor
xeric
plenary
furlough
Even the (1)__creatures and people of the desert were unaware of the (2)_testing facility deep
beneath the sand and soil. Constructed as a countermeasure to the (3) ___threat of biological
weapons, the hidden facility featured a[n) (4) _ laboratory in which scientists could identify and
exploit organisms without the risk of contaminating the public. Some of the researchers were leading
professors who had taken (5) __from their teaching duties. Program managers ensured that
research did not (6)_ from the mission of the laboratory-to minimize the threat of biological
agents in the United States.