测距仪DME的用途是（）。

GCD, make straight-in （ ） runway18, wind 190/5 kts, QNH 1009.

There are （ ） SAR areas in China.

There are （ ） FIRs in China.

—Tower, BAW334, approaching holding point for runway 15R. —BAW334, （ ） to runway 33L due to weather, report downwind.

LTA, I’m unable to clear a touch and go at this time due to traffic （ ）, make full stop.

—DKR, extend your downwind for （ ） . —Roger, DKR.

—CCA981, Tower, are you ready for immediate departure? — （ ） , CCA981.

—Tower, CES996, （ ） the type of landing aircraft, it looks like a B737 from here. —It’s a 737, sorry, my strip says 727.

—Cedar Tower, DLH411, request touch and go. —DLH411, negative due to traffic, cleared （ ） .

GBT, you’re number one, make （ ） approach, 5 miles final.