hought to be caused by a failure in the trade winds(信风)，which affects the ocean currents driven by these winds. As the trade winds lessen in (48)____, the ocean temperatures rise, causing the Peru current flowing in form the east to warm up by as much as 5`C.
The warming of the ocean has far-reaching effects. The hot, humid(潮湿的)air over the ocean causes severe (49)___thunderstorms. The rainfall is increased across South American, (50)____floods to Peru. In the West Pacific, there are droughts affecting Australia and Indonesia. So while some parts of the world prepare for heavy rains and floods, other parts face drought, poor crops and (51)____.
EI Nino usually lasts for about 18 months. The 1982-83 EI Nino brought the most(52)____weather in modern history. Its effect was worldwide and it left more than 2,000 people dead and caused over eight billion pounds (53)___of damage. The 1990 EI Nino lasted until June 1995. Scientists (54)_____ this to be the longest EI Nina for 2,000 years.
Nowadays, weather experts are able to forecast when an EI Nina will (55)___, but they are still not (56) ___sure what leads to it or what affects how strong it will be.
注意：此部分试题请在答题卡2上作答。
A)estimate    B)strength      C)deliberately   D)notify       E)tropical   F)phenomenon
G)stable      H)attraction     I)completely    J)destructive    K)starvation  L)bringing
M)exhaustion  N)worth        O)strike 

Section B
Passage One
Questions 57 to 61 are based on the following passage.
Communications technologies are far from equal when it comes to conveying the truth. The first study to compare honesty across a range of communications media has found that people are twice as likely to tell lies in phone conversations as they are in emails. The fact that emails are automa