D.Creativity of the forecaster.
32、 The persistence method fails to work well when__________
A.it is rainy
B.it is sunny
C.weather conditions stay stable
D.weather conditions change greatly
33、 The trends method works well when
A.weather features are constant for a long period of time
B.weather features are defined well enough
C.predictions on precipitation are accurate
D.the speed and direction of movement are predictable
34、 The analog method should not be used in making a weather forecast when__________
A.the analog looks complicated
B.the current weather scenario is different from the analog
C.the analog is more than 10 years old
D.the current weather scenario is exactly the same as the analog
35、 Historical weather data are necessary in__________
A.the persistence method and the trends method
B.the trends method and the climatology method
C.the climatology method and the analog method
D.the persistence method and the analog method
36、根据材料,回答36-41问题。
Students Learn Better with Touehsereen Desks Observe the criticisms of nearly any major public education system in the world, and a fewof the many complaints are more or less universal. Technology moves faster than the educationsystem. Teachers must teach at the pace of the slowest student rather than the fastest. And--particularly in the United States--grade school children as a group dont care much for, or excelat, mathematics. So it s heartening to learn that a new kind of classroom of the future showspromise at mitigating some of these problems, starting with that fundamental piece of classroom furniture: the desk.
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