DIVERS HAVE HAD PROBLEMS IN COMMUNICATING UNDERWATER BECAUSE _____...

44. - DE DAP AN THI THU TIENG ANH THPT CHUYEN DHSP HA NOI2011
Tiếng Anh DE DAP AN THI THU TIENG ANH THPT CHUYEN DHSP HA NOI2011

44. Divers have had problems in communicating underwater because __________.

A. they did not pronounce clearly

B. the water destroyed their speech organs

C. the pressure affected their speech organs D. the vehicles they used have not been

perfected