NHÓM – LỚP Đ8-ĐTVT2 MEMBER: - Phạm Văn Thành Phạm Thị Bích Lụa Vũ Thị Ngát Nguyễn Thị Minh Thu Dương Thị Hồng Hoàng Thị Hường LESSON7 : GRAPHS Task 1: This graph shows the sales of singles in the UK over a seven- year period some time ago This was a period of considerable change in people's choice of format when buying recorded music Write a sentence to describe sale for these period 1983-1984 sales of single rose 1986-1988 sales of single drop 1988-1989 sale of single rose slightly Task 2: Write the sentence to describe sales for these periods: Cassettes 1983-1986 sales of Cassettes rose fast Cassettes 1989-1990 sales of Cassettes fell gradually LPs 1983-1988 sales of LPs fell gradually LPs 1988-1990 sales of LPs fell suddenly CDs 1983-1984 sales of CDs rise slightly CDs 1984-1985 sales of CDs rise slightly CDs 1985-1986 sales of CDs rise gradually CDs 1986-1990 sales of CDs rise suddently Task 3: Make comparision of sales of different products for these periods For example: CDs and single 1986-2988 Sales of CDs rose steeply, but/while single fell steadily As sales of CDs rose, sales of single fell CDs and LPs 1986-1988 sales of CDs rose steadily, while sales os LPs fell slinght CDs and cassettes 1986-1988 Both CDs and Cassettes rose steeply Single and CDs 1983-1984 Both Single and CDs rose slightly Cassettes and LPs 1983-1986 As sales cassettes rose suddenrly, sales of LPs fell slightly Single and LPs 1989-1990 sales of Single fell slightly and LPs fell suddently Task 5: Fill in the gaps in these sentences with an appropriate verb from the list above Make sure the verb is in the correct form Conduct Record Rectify Conduct Suppress Dissipate Emit Sample Task 6: Study this graph which shows what happens when a voltage is applied across a silicon PN junction diode Now complete the spaces in this text with reference to the graph Each space represent several missing words rise slightly cut voltage saturation change in the