单项选择题


Questions 18 to 20 are based on the following talk.

A． To restore the production of oil wells.
B． To estimate the losses caused by the fires.
C． To remove the oil left in the desert.
D． To use the oil left in the oil lakes.
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单项选择题
A． America.B． Greece.C． Italy.D． Israel.
A． America.
B． Greece.
C． Italy.
D． Israel.
单项选择题
A foreign object (para. 3 ) most probably refers to______.
A． something that is unknown to the doctor
B． a severely injured part inside the body
C． a substance that gets inside the body by chance
D． a strange organ that has grown in the body
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