Unit3Theworldofcoloursandlight●Wordpower1
Thecoloursaremixedtogethertogetthecolourrequired
(P38)这些颜色混合在一起以得到所需要的颜色
requirev
[T]toneedormakenecessary:Pleasetelephonethisnumberifyourequireanyfurtherinformation
Skiingat80milesperhourrequirestotalconcentration
[+object+toinfinitive]Bringingupchildrenoftenrequiresyoutoputtheirneedsfirst
Youarerequiredbylawtostopyourcarafteranaccident
[+that]Therulesrequirethatyoubringonlyoneguesttothedinner
requirementn
[C]Agooddegreeisaminimumrequirementformanyjobs
[+that]Itisalegalrequirementthatyouhaveinsuranceforyourcar
Studentswhofailtomeettherequirements(ofthecourse)willfail
Forreference表示要求的动词还有很多,如:request,demand,desire,ask等,它们后面接that宾语从句时都要用虚拟语气
即动词形式为:(should)+动词原形,其中demand语气最为强烈,其用法如下:demandv
[T]1)toaskforsth
forcefully,inawaythatshowsthatarefusalisn