阅读理解。 The British climate is pleasant. Summers are usually not too hot with the highest temperature less than 30? and rarely rising over 32?. Winters are usually warm because of the warm air that comes from the Atlantic Ocean. The cold weather is common (普通的), but the temperature rarely falls under -10? The difference between summer and winter temperatures in most parts of Britain (including both day and night temperatures) is only about 12?. In some parts of Russia, such as Siberia, this difference can be as much as 40? Different parts of the British Isles receive different rainfall. More rain falls in the west and north, such as in Scotland, the Lake District and Wales, because there are many hills and mountains. In some parts of Scotland it can rain or snow as many as 300 days in a year. But in East Anglia, rainfall is much less, and dry summers can receive very little rainfall. The air fr om the Atlantic Ocean brings wind and rain, but usually warm air. For this reason, the climate of the British Isles can change from one day to the next. 1. The word 'rarely' means _______. A. 通常 B. 很少 C. 平均 D. 多数 2. The difference between summer and winter temperatures in Russia is _______. A. 10 B. 12 C. 32 D. 40 3. It rains or snows in most of the year in parts of _______. A. Scotland B. Wales C. Russia D. Siberia 4. The air from the Atlantic Ocean ________. A. makes the summer cool in Britain B. makes the winter warm in Britain C. makes the summer cool in Siberia D. makes the winter warm in Siberia 5. We can infer from the passage _______. A. it is not too hot in summer nor too cold in winter in Britain B. the lowest temperature in Britain is 10 C. Britain has less rainfall in a year D. the weather in Britain is the same as that in East Anglia