01 / 10TED≈ approximate level A27:32–7:37 , .
02 / 10TED-Ed≈ approximate level B23:29–3:36
’s .
03 / 10TED-Ed≈ approximate level B23:50–3:55
.
04 / 10BBC Earth≈ approximate level C11:22–1:24
.
05 / 10BBC Ideas≈ approximate level A21:18–1:22
.
06 / 10BBC Earth≈ approximate level B12:07–2:11
.. .
07 / 10PBS NewsHour≈ approximate level A23:39–3:47
$ , , .
08 / 10The School of Life≈ approximate level B22:11–2:14
.
09 / 10The Economist≈ approximate level B20:00–0:05
?
10 / 10Lex Clips≈ approximate level B14:19–4:23
...