英语短文改错Clouds can greatly effect the temperature of the earth

英语短文改错
Clouds can greatly effect the temperature of the earth's surface.(1)
When there are many clouds in the sky,all of the sun's ray(2)
can reach the earth.the cloudy day,then,will be cooler than(3)
the cloudless day.Clouds also prevent the earth from warming off(4)
rapidly at the night.For this reason,countries such as the British Isles,(5)
which are often covered by clouds,have a relative constant temperature.(6)
The weather in these cloudy areas is neither very hot in summer or very(7)
cold in winter.In the other hand,places such as deserts,which have(8)
litte or no clouds,have very sharp variations in temperature between（9)
night and day as well as between summer and winter.(10）