单项选择题

What is the important insight recently gained in the study of E1 Nino

A．E1 Ninos are usually accompanied by warm currents.
B．E1 Ninos are destructive.
C．La Ninas come between E1 Ninos.
D．La Ninas are less destructive than E1 Ninos.

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热门试题

单项选择题

Which of the following areas have been affected by E1 Ninos

A．Southern Africa and Australia.
B．North America and Asia.
C．South America and North America.
D．All the areas mentioned abov

单项选择题

The best title for the passage would be ______.

A．"E1 Nino"
B．"La Nina"
C．"La Nina or E1 Nino"
D．"A Companion for El Nino"