El Nino指赤道中东太平洋海温异常升高的现象。

What does the author warns to tell us about El Nino by the last two paragraphs?

"E1 Nino" and "La Nina" are words in A: English. B: Spanish. C: French. D: German.

（）has warmed the waters off AlaskA． A: El Nino B: The sun C: Over-population D: Pressure

______ has warmed the waters off Alaska. A: El Nino B: The sun C: Over-population D: Pressure

A strong El Nino is often associated with wet winters over the southern U.S., as well as drought in Indonesia, Philippines and Australia.

News Report 3 Questions 5 to 7 are based on the news report you have just heard. A: The dirtiness of the rain. B: The continuation of rain fall. C: The cooling of ocean surface. D: The weather event called El Nino.

We can learn from the passage that _______. A: El Nino is the most destructive natural disaster. B: NASA scientists are optimistic about the weather in 2005. C: The energy imbalance of the earth will result in the warm temperature in 2005. D: Oceans help store heat more efficiently than other things.