简答题How much does a user pay if he has broadband technology installed? A、It depends On the length of time. B、It depends on the times of dial-up. C、He pays at a fixed monthly rate. D、He pays a lot of money. 无解析多选题The function that broadband technology has on the new digital economy is ________. A、further B、critical C、costly D、global 无解析多选题Compared with the modem speed the broadband technology can transmit data ________. A、at up to forty times of ordinary speed B、much more faster C、at a high speed D、within a second 无解析简答题Before boarding the airplane, you have to check in __(1)______ (bulk) luggage over there.多选题The core value of GFL Solid Waste Haulage Division is ________. A、profit B、safety C、efficiency D、responsibility 无解析