...it to children all over
编辑： admin 2017-25-02
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翻译吗?看楼主都给出答案了咧……
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我想你是想问为什么平行四边形对边相等吧。连结AC（对角线）由AB平行CD可得，角BAC=角DCA 由AD平行BC可得，角BCA=角DAC 且AC=AC 得，△ABC≌△ACD
类似问题
类似问题1：1.You are saying that everyone should be equal,and this is_____ I disagree.A.why B.where C.what D.how2.Comrade Wang is to give us a talk on _____ he saw and heard in Britain.A .what B.all what C.that D.which3.He said that he was young ______ ha could[英语科目]
1、B.where相当于with what,即是说this is what I disagree with.
2、A.what引导介词on的宾语从句,且在从句中作saw and heard的宾语.
3、C.
一个句子若带有两个并列的that-分句作宾语,即使省略了第一个that-分句的连词,也不可省略第二个that-分句的连词,又如：
I believe (that) you've done your best and that things will improve.
4、C.
leave有个意思是“使处于某种状态”,又如：
His illness has left him weak.疾病使他虚弱.
A dust storm had left everything in the house dirty.一场沙尘暴使屋里的一切都蒙上了灰尘.
5、A.
they make of the materials是定语从句.由于代替先行词use的关系代词that在从句中做make的宾语,所以可以省略.这其实就是make use of结构.
类似问题2：给出答案并解释下好吗? [数学科目]
d.因为氯化铵和氯化钠没法区别.ABC都可以鉴别
类似问题3：28.With the Spring Festival approaching,the experts’ suggestion that tickets ______ online is of vital practice.A.were booked B.are booked C.be booked D.could be booked17.Life in the cities is very different from ______ in the countryside,where thi[英语科目]
28 选C suggestion 从句用虚拟语气,should省略,选be booked
29.选D that代替上文的不可数名词life
类似问题4：最好给出解释. [数学科目]
可以在加油站建立坐标!然后说 A在加油站左100米处
或者 建立 方位左边 说A在加油站正西方向 100米处
类似问题5：解析：给出答案并说明下列公文写作中,语句符合规范的是（ ）A.该卷烟厂全体职工同心协力,奋发图强,在上半年不到三个月的时间里,就创造出产值比去年同期增长20%的奇迹B.我们一定要采取
选A .
B中尽可能节省不必要的开支和减少浪费重复.
C中“纪律处分”和“的处理”重复
D中“而失事”多余