01 / 12PBS NewsHour≈ approximate level A21:34–1:41 " " .
02 / 12TED-Ed≈ approximate level A24:59–5:06
’s : .
03 / 12TED-Ed≈ approximate level B14:13–4:22
, , .
04 / 12PBS NewsHour≈ approximate level A22:00–2:10
, 's , .
05 / 12Lex Clips≈ approximate level B11:18–1:23
, , , , , , , .
06 / 12The Daily Show≈ approximate level B23:07–3:19
: , " , , ," , " ."
07 / 12PBS NewsHour≈ approximate level C13:08–3:20
: , , .
08 / 12The School of Life≈ approximate level B22:07–2:16
, , .
09 / 12CrashCourse≈ approximate level B28:53–9:04
.
10 / 12Big Think≈ approximate level B12:47–2:58
, .
11 / 12Big Think≈ approximate level C13:05–3:16
, , “.
12 / 12The School of Life≈ approximate level B23:12–3:23
, , , .