TOEFLReading
Complete the Words
Điền các chữ cái còn thiếu trong đoạn văn. Mỗi dấu gạch dưới (_) là một chữ cái bị thiếu. Gõ từ hoàn chỉnh cho từng mục.
Chủ đề: Dating ancient buildings with tree ringsĐã điền 0 / 10 chỗ trống
Tree rings can help archaeologists work out when ancient wooden buildings were constructed. Because (1)tr___ add (2)o__ ring (3)ea__ year, (4)a__ because (5)ri__ width (6)dep____ on (7)cli____, trees (8)fr__ the (9)sa__ region (10)sh___ a recognizable pattern of thick and thin rings. By matching the rings in an old roof beam to a long master sequence, researchers can often identify the exact year in which the tree was cut down. This method has been used to date sites ranging from medieval churches to prehistoric villages.
Các từ cần hoàn thành:
#1
tr___
#2
o__
#3
ea__
#4
a__
#5
ri__
#6
dep____
#7
cli____
#8
fr__
#9
sa__
#10
sh___