Studies reveal that exposure to low-level radiation for a long time may weaken the immune system, ______aging, and cause cancer.
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Human societies have to suffer one disaster after another that follows______the ecological damage.
Since she suffered brain damage in the accident, she's just been a______.
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Much of what we know about the subject on a
hypothetical
level can be traced to Dr. Calhoun.
The doctor gave him an injection in order to______the pain.
The best exercise should require continuous______, rather than frequent stops and starts.
Recent research into aging suggests that the body" s defense mechanisms may lose the ability to distinguish what is
alien
.
The bacterial infection is curable with
judiciou
, suse of antibiotics.
Human beings are______creatures, designed to be on the move.
Certain drugs can cause
transient
side effects, such as sleepiness.
______is a written and signed order for a drug with directions for its administration.
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When the supporting finds were reduced, they should have revised their plan______.
The______conditions and places are likely to cause diseases.
Diabetes is one of the most______and potentially dangerous diseases in the world.
The constant winds have seriously
eroded
the status in the caves, and will destroy it in ten years" time.