Table 2. ext complexity of the listening passages

Passages	1	2	3	4	All
ATOS level	4.4	3.8	5.9	6.0	4.8
Average word length	4.4	4	4.5	4.4	4.3
Average sentence length	7.8	7.8	11.2	11	9.4
Average vocabulary level	2.43	2.6	3	2.9	2.9