As作连词引导时间状语从句时,着重强调主句和从句中的动作同时发生,并且从句通常放在主句之前。归纳起来有下列两种情况: 1)状语从句的谓语动词是持续性动词,从句时态常用进行时态。如: As he Was waiting,he suddenly heard a voice fr...As作连词引导时间状语从句时,着重强调主句和从句中的动作同时发生,并且从句通常放在主句之前。归纳起来有下列两种情况: 1)状语从句的谓语动词是持续性动词,从句时态常用进行时态。如: As he Was waiting,he suddenly heard a voice from above…… (JB,Ⅳ.L3) As Bethune and the other doctors were climbing the hills,they could see the enemy entering the village in the valley below.(JB,Ⅴ.L10) 2)状语从句的谓语动词是终止性动词,从句时态常用一般时态。如: As she stood there,she heard the first bell.(JB,Ⅴ.L4) As they looked up,they saw another cloud coming towards them.(JB,Ⅴ.L5) As they watched.it came nearer and nearer.展开更多
[例 1]she was not well,I decided to go without her.(浙江省) A.Though B.As C.When D.Because of [答案与分析]此题考查as引导原因状语从句的用法。做这种题目,要根据主句和从句的逻辑关系来确定用什么连词。此题的句意为“因...[例 1]she was not well,I decided to go without her.(浙江省) A.Though B.As C.When D.Because of [答案与分析]此题考查as引导原因状语从句的用法。做这种题目,要根据主句和从句的逻辑关系来确定用什么连词。此题的句意为“因为她身体不好,所以我决定不带她去”。从句和主句是因果关系。though表示让步关系,when表示时间,because of虽然表示原因,但后面只能跟名词(短语),不能跟从句。B为正确答案。展开更多
动词不定式除了用作主语、宾语、表语、宾语补足语、定语和状语外,还用于下列句型: 1.It’s time to do sth.=It’s time for(doing)sth.“该做……的时候了”。如: It’s time to go to bed.是睡觉的时候了。 It’s time for Robert to...动词不定式除了用作主语、宾语、表语、宾语补足语、定语和状语外,还用于下列句型: 1.It’s time to do sth.=It’s time for(doing)sth.“该做……的时候了”。如: It’s time to go to bed.是睡觉的时候了。 It’s time for Robert to go to school.该罗伯特上学了。展开更多
Light travels at a speed which is about a million times faster than the speed of sound.In one second,light travels about 300,000 km,but sound travels only 314m,you can get some idea of this difference(区别) by watchin...Light travels at a speed which is about a million times faster than the speed of sound.In one second,light travels about 300,000 km,but sound travels only 314m,you can get some idea of this difference(区别) by watching the start of a race.展开更多
文摘As作连词引导时间状语从句时,着重强调主句和从句中的动作同时发生,并且从句通常放在主句之前。归纳起来有下列两种情况: 1)状语从句的谓语动词是持续性动词,从句时态常用进行时态。如: As he Was waiting,he suddenly heard a voice from above…… (JB,Ⅳ.L3) As Bethune and the other doctors were climbing the hills,they could see the enemy entering the village in the valley below.(JB,Ⅴ.L10) 2)状语从句的谓语动词是终止性动词,从句时态常用一般时态。如: As she stood there,she heard the first bell.(JB,Ⅴ.L4) As they looked up,they saw another cloud coming towards them.(JB,Ⅴ.L5) As they watched.it came nearer and nearer.
文摘[例 1]she was not well,I decided to go without her.(浙江省) A.Though B.As C.When D.Because of [答案与分析]此题考查as引导原因状语从句的用法。做这种题目,要根据主句和从句的逻辑关系来确定用什么连词。此题的句意为“因为她身体不好,所以我决定不带她去”。从句和主句是因果关系。though表示让步关系,when表示时间,because of虽然表示原因,但后面只能跟名词(短语),不能跟从句。B为正确答案。
文摘动词不定式除了用作主语、宾语、表语、宾语补足语、定语和状语外,还用于下列句型: 1.It’s time to do sth.=It’s time for(doing)sth.“该做……的时候了”。如: It’s time to go to bed.是睡觉的时候了。 It’s time for Robert to go to school.该罗伯特上学了。
文摘Light travels at a speed which is about a million times faster than the speed of sound.In one second,light travels about 300,000 km,but sound travels only 314m,you can get some idea of this difference(区别) by watching the start of a race.
