VI. WRITE .

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

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

1. Điền vào mỗi chỗ trống bằng từ nối theo trật tự thời gian mô tả quy trình sản xuất giấy.

1. first           2. then            3. next            4. after this           5. then               6. finally