比较下列A,B两组句子,然后小结它们的区别A(1)what do you do on weekends?I often watch TV.(2)what do your friends do on weekends?They often watch TV.(3)what does he do on weekends?He often watches TV (4)what does your sister do on weeken

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比较下列A,B两组句子,然后小结它们的区别A(1)whatdoyoudoonweekends?IoftenwatchTV.(2)whatdoyourfriendsdoonweekends?Theyof

比较下列A,B两组句子,然后小结它们的区别A(1)what do you do on weekends?I often watch TV.(2)what do your friends do on weekends?They often watch TV.(3)what does he do on weekends?He often watches TV (4)what does your sister do on weeken
比较下列A,B两组句子,然后小结它们的区别
A
(1)what do you do on weekends?I often watch TV.(2)what do your friends do on weekends?They often watch TV.(3)what does he do on weekends?He often watches TV (4)what does your sister do on weekends?She often TV.
B
(1)what did you do last weekend?I watched TV (2)what did your friends do last weekend?They watched TV(3)what did he do last weekend?He watched TV(4)what did your sister do last weekend?She watched TV
(1)以上两组句子的动词都是()(2)A组的句子用的是()时,B组的句子用的是()时;()组的句子有人称和数的变化,()组的句子却没有人称和数的变化.(3)什么是一般过去时?(4)当句子中有表示过去的时间状语时,动词应该用它的()式,而这种形式是怎样构成的呢?

比较下列A,B两组句子,然后小结它们的区别A(1)what do you do on weekends?I often watch TV.(2)what do your friends do on weekends?They often watch TV.(3)what does he do on weekends?He often watches TV (4)what does your sister do on weeken
A
(1)what do you do on weekends?I often watch TV.(2)what do your friends do on weekends?They often watch TV.(3)what does he do on weekends?He often watches TV (4)what does your sister do on weekends?She often TV.
B
(1)what did you do last weekend?I watched TV (2)what did your friends do last weekend?They watched TV(3)what did he do last weekend?He watched TV(4)what did your sister do last weekend?She watched TV
(1)以上两组句子的动词都是(watch)(2)A组的句子用的是(一般现在)时,B组的句子用的是(一般过去)时;(A)组的句子有人称和数的变化,(B)组的句子却没有人称和数的变化.(3)什么是一般过去时?表示事情发生在过去的一种时态.(4)当句子中有表示过去的时间状语时,动词应该用它的(过去)式,而这种形式是怎样构成的呢?一般是动词后加ed,特殊的很多,需要自己记,如do-did,grow-grew.

比较下列A,B两组句子,然后小结它们的区别A(1)what do you do on weekends?I often watch TV.(2)what do your friends do on weekends?They often watch TV.(3)what does he do on weekends?He often watches TV (4)what does your sister do on weeken 对于Mg2+ 和Mg两种粒子比较,下列说法不正确的是()A、它们的电子书相同 B、它们的化学性质不相同 C、它们的质子数相同 D、它们都是构成物质的粒子 比较下列两组句子表达效果有什么不同1 .A好像闪着无数的明星B好像是闪着无数的明星 2.A好像点着无数的街灯B好像是点着无数的街灯 先阅读下列材料,然后解决问题.要比较两个正数a、b的大小,我们可以先作它们的商a/b,如果.见问题补充如果a/b>1,那么a>b;如果a/b=1,那么a=b;如果a/b<1,那么a<b.问题:已知正实数m、n满足m< 设a>0,b>0 比较下列两式的大小比较大小(1)a/b ,a+1/b (2)a/b ,a/b+1 设a>0,b>0 比较下列两式的大小比较大小,(1)b/a ,b/ a+1 (2)b/a ,b+1/a 比较下列两组句子的表达效果有何不同?{急! 字符比较大小实际是比较它们的ASCII码值,下列正确的是?A)‘A’比‘B’大 B)‘H’比‘h’小C)‘F’比‘D' 七下语文评价手册 真正的英雄比较下面两组句子的表达效果有何不同.A.它们根本无法寄托我们对你们深深爱着的、同时也是我们所敬佩的英勇献身的人们的哀思.B.它们根本无法寄托我们的哀 七下语文评价手册 真正的英雄比较下面两组句子的表达效果有何不同.A.它们根本无法寄托我们对你们深深爱着的、同时也是我们所敬佩的英勇献身的人们的哀思.B.它们根本无法寄托我们的哀 统计学问题,在比较两组数据的离散程度时,不能直接比较它们的标准差,因为数据的()在比较两组数据的离散程度时,不能直接比较它们的标准差,因为数据的()A、标准差不同B、方差不同C 19.对于Mg2+和Mg两种粒子比较,下列说法不正确的是( )A.它们的质量几乎相同 B化学性质相同 C.它们的质子数相同 D.它们都是构成物质的粒子【B】应该是= = 若A,B两种物质体积相等,A的密度大于B的密度,比较A,B质量的大小还有就是两物质质量相等,物质A的体积大于物质B,比较它们密度的大小 1.等质量的CH4(甲烷)和NH3(氨气)比较,下列说法错误的是:A.它们的分子个数之比为17:16B.它们的原子个数之比为17:16C.它们的氢原子个数之比为17:12D.同温同压下两种气体的体积比为17: 比较下列两组句子,说说文中选用哪句表达效果更好.A.(1)急促的鼓点像骤雨一样;(2)骤雨一样,是急促的鼓点比较下列两组句子,说说文中选用哪句表达效果更好.A.(1)急促的鼓点像骤雨一样;(2)骤 下列句子中的六个“和”,按意思可分为两组,正确的分法是什么?a和b两数的和的平方和a和b两数的平方和的和a b c d e f 若a大于b,比较它们相反数的大小. 今晚就要,快啊,感激不尽下列判断错误的是:( )A.任何两条线段都能比较长短 B.因为线段有长短,所以它们之间能判断大小C.利用圆规配合尺寸,也能比较线段的大小D.两条直线也能进行度量和