搜题请搜索小程序“爱下问搜题”
问题 填空题

从100里减去25，加上22，再减去25，加上22，这样连续进行，当得数是0时，减去了______个25，加上了______个22．

答案

25-22=3；

（100-25）÷3，

=75÷3，

=25；

即操作25次后得数为25；再减去25即得0．

25+1=26；

所以，减去了26个25，加上了25个22．

故答案为：26，25．

单项选择题

以下对浆砌块石顺序描述正确的是（）。

A.先填腹、再镶面、后角石

B.先角石、再镶面、后填腹

C.先角石、再填腹、后镶面

D.先填腹、再角石、后镶面
查看答案
单项选择题

Sometimes we have specific problems with our mother; sometimes, life with her can just be hard work. If there are difficulties in your (1) , it’s best to deal with them, (2) remember that any (3) should be done (4) person or by letter. The telephone is not a good (5) because it is too easy (6) either side to (7) the conversation.

Explain to her (8) you find difficult in your relationship and then (9) some new arrangements that you think would establish a (10) balance between you. Sometimes we hold (11) from establishing such boundaries because we are afraid that doing (12) implies we are (13) her. We need to remember that being (14) from our mother does not (15) mean that we no longer love her. If the conflict is (16) and you cannot find a way to (17) it, you might decide to give up your relationship with your mother for a while. Some of my patients had (18) "trial separations". The (19) allowed things to simmer down, enabling (20) .

20（）

A.reconciliation

B.rebellion

C.recreation

D.rehearse
查看答案