playmates+of+the+year
@步巧1721：不可数名词句型是不是数词/冠词+量词+of+不可数名词?顺便加20个除食品外的不可数名词 Thank a lot -
宫阅18036858472…… 是.比如 A piece of paper.two pieces of paper 等.变复数时就不能在名词上变了.advice, baggage, change(零钱), furniture, hair, homework, information, knowledge, luggage, money, news, progress, traffic ,respect, safety, salt, sand, silence, sleep, strength, snow, technology, time, trade, transport, travel...基本上就是数的了的就是可数的, 没法数的,就是不可数的.
@步巧1721：t is+adj+for sb+to do sth和it is+of sb +to do sth有什么区别? -
宫阅18036858472…… t is+adj+for sb+to do sth和it is+of sb +to do sth的区别:1.it is+adj+for sb+to do sth表示事物特征特点.It's very hard for him to study two subjects. 对他来说学两门科目是很难的. 2.it is+of sb +to do sth表示人物的性格.It's very nice of you to help me...
@步巧1721：EACH+名词=EACH+OF+名词 -
宫阅18036858472…… each [ i:tʃ ] adj. 每;各自的 adv. 每个;各自 pron. 每个;各自 Analyzes each production line. 分析每条生产线. How long must I practice each day? 我每天必须练习多长时间呢? Girl: Certainly. These are twelve yuan each. 女孩:可以.这种是...
@步巧1721：用 倍数+the+adj+of 倍数+比较级+than n+as+adj/ad -
宫阅18036858472…… The dog is twice the big of the cat. The dog is twice bigger than the cat. The dog is as big as the cat.
@步巧1721：Lao Li's toing won't be of much help. 为什么用of?是be of + 名词的固定搭配吗? -
宫阅18036858472…… 是固定搭配.be of+抽象名词=be+抽象名词的形容词 如:What he said at the meeting was of great importance.=What he said at the meeting was very important.Lao li's going won't be of much help.= Lao li's going won't be very helpful.
@步巧1721：一弹簧振子做简谐运动,周期为T,下列叙述中正确的是( )A.若t时刻和(t+△t)时刻振子运动位移和速 -
宫阅18036858472…… A、则在t时刻和(t+△t)时刻振子的位置对平衡位置的位移大小相等,方向相同,所以这两时刻振子出现在同一个位置上,则△t一定等于T的整数倍.故A正确;B、若t时刻和(t+△t)时刻振子运动速度大小相等,方向相反,则△t可能等于 T 2 的整数倍,也可能大于 T 2 的整数倍,也可能小于 T 2 的整数倍,故B错误;C、若△t=T,则在t时刻和(t-△t)时刻振子振子的位移与t时刻相同,加速度也相同,故C正确;D、若△t= T 2 ,则在t时刻和(t+△t)时刻振子的位置关于平衡位置对称,弹簧的形变量相等,但是弹簧长度不等.故D错误;故选:AC
@步巧1721：英语语法,例子例如:don't+v.原so+adj.look+v.ingthan+比较级one of +n.复这些知识点 - 作业帮
宫阅18036858472…… [答案] 1 i don't have a pen 2 i am so cracy 3 you look shining 4 you are more shy then me 5 he is one of the most famous persons in the world
@步巧1721：be+of+adj.+n.的用法这种用法我不太习惯,例如:They aren't of good quality.谁能帮我讲讲? - 作业帮
宫阅18036858472…… [答案] It is of great importance =ti is important they aren't of good quality means they are not in good qualit
@步巧1721：Needn't + do还是+ to do
宫阅18036858472…… do,因为此处needn't做情态动词,后面加动词原形加/to do时need是谓语动词,而谓语动词需要助动词来否定
@步巧1721：s+used to+动词原形 S+didn,t+use to+动词原形 Did+s+use -
宫阅18036858472…… s+used to+动词原形 He used to be a teacher ,but now he is a writer .S+didn,t+use to+动词原形 He didn't use to play basketball.Did+s+use to+动词 Did he use to play basketball ?用特殊疑问句+一般疑问句=特殊疑问句 Where did he use to live ?
宫阅18036858472…… 是.比如 A piece of paper.two pieces of paper 等.变复数时就不能在名词上变了.advice, baggage, change(零钱), furniture, hair, homework, information, knowledge, luggage, money, news, progress, traffic ,respect, safety, salt, sand, silence, sleep, strength, snow, technology, time, trade, transport, travel...基本上就是数的了的就是可数的, 没法数的,就是不可数的.
@步巧1721：t is+adj+for sb+to do sth和it is+of sb +to do sth有什么区别? -
宫阅18036858472…… t is+adj+for sb+to do sth和it is+of sb +to do sth的区别:1.it is+adj+for sb+to do sth表示事物特征特点.It's very hard for him to study two subjects. 对他来说学两门科目是很难的. 2.it is+of sb +to do sth表示人物的性格.It's very nice of you to help me...
@步巧1721：EACH+名词=EACH+OF+名词 -
宫阅18036858472…… each [ i:tʃ ] adj. 每;各自的 adv. 每个;各自 pron. 每个;各自 Analyzes each production line. 分析每条生产线. How long must I practice each day? 我每天必须练习多长时间呢? Girl: Certainly. These are twelve yuan each. 女孩:可以.这种是...
@步巧1721：用 倍数+the+adj+of 倍数+比较级+than n+as+adj/ad -
宫阅18036858472…… The dog is twice the big of the cat. The dog is twice bigger than the cat. The dog is as big as the cat.
@步巧1721：Lao Li's toing won't be of much help. 为什么用of?是be of + 名词的固定搭配吗? -
宫阅18036858472…… 是固定搭配.be of+抽象名词=be+抽象名词的形容词 如:What he said at the meeting was of great importance.=What he said at the meeting was very important.Lao li's going won't be of much help.= Lao li's going won't be very helpful.
@步巧1721：一弹簧振子做简谐运动,周期为T,下列叙述中正确的是( )A.若t时刻和(t+△t)时刻振子运动位移和速 -
宫阅18036858472…… A、则在t时刻和(t+△t)时刻振子的位置对平衡位置的位移大小相等,方向相同,所以这两时刻振子出现在同一个位置上,则△t一定等于T的整数倍.故A正确;B、若t时刻和(t+△t)时刻振子运动速度大小相等,方向相反,则△t可能等于 T 2 的整数倍,也可能大于 T 2 的整数倍,也可能小于 T 2 的整数倍,故B错误;C、若△t=T,则在t时刻和(t-△t)时刻振子振子的位移与t时刻相同,加速度也相同,故C正确;D、若△t= T 2 ,则在t时刻和(t+△t)时刻振子的位置关于平衡位置对称,弹簧的形变量相等,但是弹簧长度不等.故D错误;故选:AC
@步巧1721：英语语法,例子例如:don't+v.原so+adj.look+v.ingthan+比较级one of +n.复这些知识点 - 作业帮
宫阅18036858472…… [答案] 1 i don't have a pen 2 i am so cracy 3 you look shining 4 you are more shy then me 5 he is one of the most famous persons in the world
@步巧1721：be+of+adj.+n.的用法这种用法我不太习惯,例如:They aren't of good quality.谁能帮我讲讲? - 作业帮
宫阅18036858472…… [答案] It is of great importance =ti is important they aren't of good quality means they are not in good qualit
@步巧1721：Needn't + do还是+ to do
宫阅18036858472…… do,因为此处needn't做情态动词,后面加动词原形加/to do时need是谓语动词,而谓语动词需要助动词来否定
@步巧1721：s+used to+动词原形 S+didn,t+use to+动词原形 Did+s+use -
宫阅18036858472…… s+used to+动词原形 He used to be a teacher ,but now he is a writer .S+didn,t+use to+动词原形 He didn't use to play basketball.Did+s+use to+动词 Did he use to play basketball ?用特殊疑问句+一般疑问句=特殊疑问句 Where did he use to live ?
