A
UK 5 Days
Today：
A chilly (寒冷的) and frosty start for many this morning，followed by a day of sunshine and local showers.The showers will be slow moving and heavy at times，particularly in the east with a risk of thunder.
Tonight：
Showers will ease this evening and clear spells (一段时间) will develop，causing a widespread frost.However，rain will push into the northwest during the early hours，turning heavy at times.
Friday：
Rain，locally heavy，will continue southwestwards through the day with strong winds.Elsewhere，it will be bright with some sunshine.
UK outlook for Saturday to Monday：
Rain across central parts on Saturday will ease and move northwards.Largely dry elsewhere with some misty sunshine.A mixture of sunshine and showers on Sunday and Monday，turning warmer.
Updated at 04：04 on Thur.31 Mar.
UK 6—30 days
UK outlook for Tuesday 5 Apr.to Wednesday 13 Apr.：
A generally unsettled picture is likely next week，with showers or longer spells of rain affecting the majority of the UK，but with some drier and sunnier interludes (间歇)．Temperatures will probably be around normal for most，but central and southeastern areas may see some warmer air moving up from the continent at times.The week after next will probably continue to be changeable with showers or longer spells of rain crossing the UK，but with some brighter and drier interludes in between.Temperatures may become rather low across the north and northwest later next week.
Updated at 12：36 on Wed.30 Mar.
UK outlook for Thursday 14 Apr.to Saturday 30 Apr.：
It is likely to be changeable with a mixture of sunny spells and showers.However，some longer drier spells(干旱期) are also likely，particularly in northwestern areas.Overall temperatures will remain around normal for the time of year but with some warmer spells developing at times.
Updated at 12：37 on Wed.30 Mar.
文章大意：本文是一则天气预报。预报了英国未来5天详细天气情况、未来30天直到4月30日的天气概况。
21．The weather of tonight is similar to Friday in that C.
A．it has strong winds B．it has frosts
C．it has heavy rain D．it is mainly sunny
解析：细节理解题。根据第二段“However，rain will push into the northwest during the early hours，turning heavy at times.”和第三段“Rain，locally heavy，will continue southwestwards through the day with strong winds.”可知，今晚天气和周五天气的共同之处是都会下大雨。
22．From Saturday to Monday，it may be rainy in the D.
A．east B．west
C．south D．north
解析：细节理解题。根据第四段“Rain across central parts on Saturday will ease and move northwards.”可知，周六至周日北部地区可能会有雨。
23．Which part of Britain may have little rain in the second half of April？C
A．The southeastern areas. B．The northeastern areas.
C．The northwestern areas. D．The southwestern areas.
解析：细节理解题。题干中的the second half of April即Thursday 14 Apr.to Saturday 30 Apr.这一部分内容，根据“However，some longer drier spells (干旱期)are also likely，particularly in northwestern areas.”可知，西北地区可能处于干旱期，没有雨。
