英语四级选词填空训练附解析(3)
EI NIno is name given to the masterious and often unpredictable change in the climate ofthe world.This strange ___1_____happens every five to eight years.It starts in the PAacificOcean and is thought to be caused by a failure in the trade winds(信风),which affects the oceancurrents driven by these winds. As the trade winds lessen in ____2____,the oceancomperatures rise causing the Peru current flowing in form the east to warm up by as muchas 5`C.
The warming of the ocean has far-reaching effects.The hot,humid(潮湿的)air over the oceancauses severe ___3___thunderstorms.The rainfall is increased acrossAounth American____4____floods to Peru.In the West pacific,there are droughts affecting Australia andIndonesia.So while some parts of the world perpare for heavy rains and floods,other parts facedrought,poor crops and____5____.
EI Nino usually lasts for about 18 months The 1982-83 EI Nino brough themost___6____weather in mordern history .Its effect was worldwide and it left more than 2,000people dead and caused over eight billion pounds ____7___of damage.The 1990 EI Nino will____9___,but they are still not __10___sure what leads to it or what affects how strong it willbe.
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
答案解析:
1. P phenomenon
2. B strength
3. E tropical
4. L bringing
5. K starvation
6. J destructive
7. N worth
8. A estimate
9. O strike
10. I completely