_______________ 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.

for i in range(b.max_row): for j in range(b.max_column): print(b.cell(row=i,column=j).value)上面语句运行的结果是：__________。 A: 1 1 1 1 1 1 1 1 1 1 B: 1111111111 C: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 D: 出现异常

【单选题】CDMA通信的基站,假定基站A的码片序列是+1 +1 +1 -1 -1 +1 -1 -1,基站发射bit为101时,实际发射的信号是 A. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 B. +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 +1 +1 +1 -1 -1 +1 -1 -1 C. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 D. –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1