01 / 14TED-Ed≈ approximate level B14:13–4:22 , , .
02 / 14CNBC Make It≈ approximate level B29:11–9:16
, , .
03 / 14Big Think≈ approximate level B24:49–4:53
.
04 / 14BBC Learning English≈ approximate level B16:37–6:41
?
05 / 14Big Think≈ approximate level C10:37–0:43
, , .
06 / 14PBS NewsHour≈ approximate level A25:40–5:44
.
07 / 14TED≈ approximate level A29:53–10:01
, ?
08 / 14BBC Ideas≈ approximate level B11:09–1:11
.
09 / 14CrashCourse≈ approximate level B12:30–2:36
, , .
10 / 14WIRED≈ approximate level B25:31–5:39
, , ?
11 / 14TED≈ approximate level A24:45–4:49
, , .
12 / 14CNBC Make It≈ approximate level B22:32–2:39
, .
13 / 14TED≈ approximate level C13:40–3:52
's ’s - .
14 / 14CrashCourse≈ approximate level B20:28–0:40
, : “ ” .