IV. Turn these sentences into the opposite form. (active or passive) 1) The house was built over one hundred years ago. 2) People don’t use this road very often. 3) We haven’t used the machine for ages. 4) The new drug is being tested. 5) How do people learn languages? 6) This factory will produce 10.000 cars next year. 7) Somebody has cleaned the room. 8) They cancelled all flights because of fog. 9) Bill is using the computer at the moment. 10) When did they decorate your kitchen?

70(10) bằng bao nhiêu nhị hệ phan

III. Fill in the blanks with the suitable word in the box. were, there, lot, wore, not, from, example, from, short, between. Clothes today are very different (1) ____________ the clothes of the 1800s. One difference is the way they look. For (2) ____________, in the 1800s all women (3) ____________ dresses. The dresses all had long skirts but today women do (4) ____________ always wear dresses with long skirts. Sometimes they wear (5) ____________ skirts. Sometimes they wear pants. Another difference (6) ____________ 1800s and today is the cloth. In the 1800s, clothes (7) ____________ made only from natural kinds of cloth. They were made (8) ___________ cotton, wool, silk, or linen. But today, (9) _____ are many kinds of man made cloth. A (10) ____________ of clothes are now made from nylon, rayon or polyester.

Giải đề hộ ạ .........................

Hai dây dẫn bằng đồng có cùng chiều dài.Dây thứ nhất có tiết diện S1=5mm^2 và có điện trở R1 =8,85ôm .Dây thứ 2 có tiết diện S2=0,5mm^2 .Tính điện trở R2?

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Cho tam giác ABC. Các tua phân giác của các góc B và C cắt nhau ở O. Kẻ OD⊥AC, kẻ OE⊥AB. Chứng minh rằng OD = OE

Giải giúp mình với mình đang cần gấp

Giải giúp mình câu 11 với mình đang cần gấp

tính [120 : 4 -(23-15).5].2021 mũ 2022