1. Fill in each gap with one of these sequence markers to describe the procedure of papermaking.

(Điền vào mỗi chỗ trống bằng từ nối để mô tả quy trình sản xuất giấy.)

first        then (2)         next         after          this           finally

How Paper Is Made

(1) ________, logs are cut into small chips. (2)_______________ they are mixed with water and acid (3)________ they are heated and crushed into a heavy pulp. This wood pulp is also cleaned and chemically whitened. (4)________ it is passed through rollers to be flattened. (5)________ , sheets of wet paper are produced. (6)_______ , the water is removed from the sheets which are pressed, dried and refined until the finished paper is produced.

2. Look at the sequence of pictures that describe how cacao beans are processed. Put them in the correct order.

(Nhìn vào dãy các hình ảnh mô tả cách chế biến hạt cacao. Đặt chúng theo đúng thứ tự.)

Now use the sequence markers in exercise 'write 1' to link sentences together in a paragraph.

(Bây giờ hãy dùng từ nối ở bài tập 1 để nối các câu trên lại với nhau thành một đoạn văn.)