单项选择题

A．To see what happened to the survivors of the outbreak.
B．To study animals that can also get infected with the disease.
C．To find out where the virus originates.
D．To look for the plants that could cure the disease.
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单项选择题
A．Uneasy.B．Uncertain.C．Frustrated.D．Depressed.
A．Uneasy.
B．Uncertain.
C．Frustrated.
D．Depressed.
单项选择题
A．The populations of small towns increased rapidly.B．Art critics in cites began to take notice of regionalism.C．Some regionalist painters began a new art movement.D．Society became more internationally focused.
A．The populations of small towns increased rapidly.
B．Art critics in cites began to take notice of regionalism.
C．Some regionalist painters began a new art movement.
D．Society became more internationally focused.
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