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．Very doubtful.B．Quite annoyed.C．Somewhat curious.D．Indifferent.
A．Very doubtful.
B．Quite annoyed.
C．Somewhat curious.
D．Indifferent.
单项选择题
A．Because she is not interested in the topic.B．Because her room is too little to agree to it.C．Because she didn’t have enough time for it.D．Because she doesn’t have enough money to attend it,
A．Because she is not interested in the topic.
B．Because her room is too little to agree to it.
C．Because she didn’t have enough time for it.
D．Because she doesn’t have enough money to attend it,
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