I want a very serious answer, I hope to give, thank you very much!

Of course, this is your own consideration. Dizzy.

It depends on where your relationship has been, for example, you ask implicitly in advance, you say that it is good to rent a house for the two of you to live together, etc., be subtle, don't be too direct, then again, if you rent two adjacent rooms is not bad, if the relationship is good, you will not always accompany her at night, too late to not leave, in short, it still depends on your feelings, if she is also like you, she will not mind renting one, or two, after all, two houses cost more money, right, Hope it helps.

The landlord can rent two rooms first, and slowly get along for a period of time and feel that the relationship has reached that step and then rent one, but what I want to tell you is that two people will often have contradictions after living together for a long time, because the two people have different living habits, there will be some friction, and the most important thing is that you need to slowly run in by yourself, understand each other and tolerate each other, so now many young people like to live together before getting married, which is equivalent to a trial marriage, and they feel that the personality is compatible to continue.

If you have already thought about your future life and worked hard to get married, then you can rent a house, if you are not ready, there is no hurry, after all, if you separate after living together, it is not good for girls.

Have you come to talk about marriage? If you get there, you can have a house.

A two-bedroom one-hall is not enough.

13,17,21 is the difference of 4 increments, that is, the wheel of the empty section says that the back of the blind difference is 25, 66 + 25 = 91

1) 50% - 40% of the big hole = 10%.

1）12➗10%=120kg

2) Multiply by 60=

2) Chafang Bridge 2) 8478 Defeat Circle).

Question 8 of the multiple-choice question is d

A studies the conditions for sound propagation, not the conditions for generation, which are "vibrations".

The multiple-choice questions are correct.

The last blank in question 21 is that because the conditions that affect sliding friction are not the same, the sliding friction is also unchanged.

23. Diffusion.

27. Heat transfer.

Others are correct. Pretty good.

It's too much, if it's a question.

Equivalent infinitesimal x 2

sinx is equivalent to infinitesimal x

Original = x 2 x

y'=2x-ln2*2^x

y'=3x²-6x+1

y''=6x-6

Lingy''=0

x=1y=1-3+1=-1

Inflection point (1, -1).