_______________ region is the most western region in the Pacific. A: Nino4 B: Nino3 C: Nino2 D: Nino1

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.

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.

函数的定义域是/ananas/latex/p/1132315: (-∞, -3)∪(-3, +∞)|(-∞, -3)∪(-3, 3)∪(3, +∞)|(-∞, -3)∪(3, +∞)|(-∞, 3)∪(3, +∞)

智慧职教: 按自然数的乘法按定义计算3×5. 解   由定义5知3x5=(3x4) 3 =[(3x3) 3] 3 ={[(3x2) 3] 3} 3 ={{[(3x1) 3] 3} 3} 3 ={{[(3 3) 3] 3} 3} ={[(6 3) 3] 3} =(9 3) 3 =12 3=15 上述计算是（   ）的