集体名词作主语主谓一致
　　1）通常作复数的集体名词
　　集体名词，如：police, people,cattle,militia,poultry等，
　　通常作复数，用复数动词。如：
　　Domestic cattle provide us with milk, beef and hides.
　　2）通常作不可数名词的集体名词
　　有些集体名词，如foliage,machinery,equipment,furniture,merchandise,通常作不可数名词，随后的动词用单数。例如：All the machinery in the factory is made in China.
　　3）既可作单数也可作复数的集体名词
　　集体名词，如audience, committee, class, crew, family, public, government等，既可作单数，也可作复数用。
　　The city council is meeting to set its agenda.
　　4）a committee,etc．of +复数名词
　　如果主语是由“a committee of /a panel of /a board of +复数名词”构成，随后的动词通常用单数。
　　例如：A committee of five men and three women is to consider the matter.
　　近义词辨析tired, exhausted, fatigued, weary, worn out
　　这组词均含有“疲惫的”的意思。
　　tired：可指因体力或脑力消耗太多而需要休息，还可指因长期做某事而失去兴趣。
　　Henry was so tired that he went to bed immediately after he got home.亨利很疲惫，一到家就上床睡觉去了。
　　exhausted：表达的疲惫程度最强，指因劳累过度而精疲力竭。
　　The exhausted engineer fell asleep on the bus.精疲力竭的工程师在公共汽车上睡着了。
　　fatigued：所表达的疲劳程度比tired和weary强，表示由于过度劳累而引起疲乏，不能再继续下去。
　　He felt fatigued and didn’t want to say a single word.他疲惫不堪，不想说一句话。
　　weary：语气比tired强，指由于长时间努力工作或由于做单一的事而引起疲倦。
　　After a long and weary wait, the plane finally came to take them back.经过漫长而又令人疲乏的等待后，飞机终于来接他们回去了。
　　worn out：这个词不太正式，多用于口语。
　　The troops were wornout after winning the battle.战后,部队疲惫不堪。