单项选择题

El Nino is a warm ocean current______.

A．which centers on America and Africa
B．which was named by an American
C．which kills many people every time
D．which has side-effects all over the world

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单项选择题

Coverage of accidents becomes unbearable when reporters have to ______. A) act like the police or firemen C) take a big share of the job B) rush from one place to another D) do it frequently

A．Coverage of accidents becomes unbearable when reporters have to ______.
B．act like the police or firemen
C．rush from one place to another
D．take a big share of the job
E．do it frequently

单项选择题

This passage is devoted to introduction to ______.

A．the causes and effects of El Nino weather phenomena
B．the worldwide monitoring network set up to predict El Nino
C．the relationship between the ocean temperatures and climate patterns
D．El Nino phenomena and destructive effects of one El Nino event on Ica

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