II. Read the text below and write one word in each blank to complete it. process energy elevator into warm used well effect reason increase Elevator air conditioning is fast becoming a popular concept around the world. The primary (1)_____________for installing an elevator air conditioner is the comfort that it provides while traveling in the (2)_____________. It stabilizes the condition of the air inside the elevator car. Some elevator air conditioners can be (3)_____________in countries with cold climates if a thermostat is used to reverse the refrigeration cycle to (4) _____________ the elevator car. Heat generated from the cooling (5) _____________ is dissipated into the hoist way. The elevator cab (or car) is ordinarily not air-tight, and some of this heat may reenter the car and reduce the overall cooling (6) _____________. The air from the lobby constantly leaks (7) _____________ the elevator shaft due to elevator movements as (8)_____________ as elevator shaft ventilation requirements. Using this conditioned air in the elevator does not (9) _____________ energy costs. However, by using an independent elevator air-conditioner to achieve better temperature control inside the car, more (10) _____________ will be used.

vẽ anime nào mn :3333 nãy đi ngang thấy 1 cp cute thật sự =3 ( cái này mk tui ship thôi, ai rớt hố ráng chịu)

V. Read the following text and use the words given in the box to fill in the blanks. transmitting Although principle began receiving his been time The telegraph and telephone are both wire-based electrical systems, and Alexander Graham Bell's success with the telephone came as a direct result of his attempts to (1) _____________ the telegraph. When he (2) _____________ experimenting with electrical signals, the telegraph had (3)_____________ an established means of communication for some 30 years. (4)_____________a highly successful system, the telegraph was basically limited to (5)_____________ and sending one message at a time. Bell's extensive knowledge of the nature of sound and (6) _____________ understanding of music enabled him to conjecture the possibility of (7) _____________multiple messages over the same wire at the same time. Although the idea of a "multiple telegraph" had been in existence for some (8)_____________, no one had been able to fabricate one - until Bell. His "harmonic telegraph" was based on the (9) _____________ that several notes could be sent simultaneously along the same wire if the notes or signals (10) _____________ in pitch.

Làm một cái hình nền mày tính cute xíu nhá! Màu chủ đạo là màu hồng nhé ^^! Cute vào 60đ đó cac bae :33

đề: vẽ anime/ chibi / semi nhường mấy idol hộ iem vs ạ

T = 1/1x2 + 1/2x3 + 1/3x4 + ... + 1/99x100

1/2+1/4+1/12+...+1/90 x.x^2.x^3=64

Bài 5: Điền liên từ thích hợp vào chỗ trống để hoàn thành các câu sau. Unless because .If unless in case when although 1.______________ it’s pouring with rain, we are going for a walk in the park. 2.______________she hands in the assignment before Tuesday, she will get very bad mark. 3.He decided to break up with Peter_____________ he didn’t spend much time with her. 4.Jennifer decided to break up with Peter_____________ he didn’t spend much time with her. 5.Danny bought a new car___________his old car was still i good condition. 6.I will be in great trouble_____________ my mother knows my final test scores. 8.The concert will be canceled____________no more tickets are sold. 9.Children are not allowed to enter this place___________ they are accompanied by adults. 10.You should bring think coats_________ the temperature falls at night. 11._____________ my sister doesn’t like eating salad, she eats it regularly to keep fit

1)Với 4 chữ số 0,1,2,3,. a)viết đc bao nhiêu số có 4 chữ số khác nhau. b)viết đc bao nhiêu số có 3 chữ số. 2)cho các số 5,6,7,8,9 a)viết đc bao nhiêu số tự nhiên có 2 chứ số b)viết đc bao nhiêu số tự nhiên có hai chữ số khác nhau c)viết đc bao nhiêu số lẻ có 2 chứ số d) viết đc bao nhiêu số chẵn có 2 chứ số khác nhau 3) có bao nhiêu số có 3 chứ số khac nhau cho 5 sao

ai mún tui show giọng hay mặt ko :3 Vẽ anime