问题：
[单选题]One of the good aspects of online distance learning is _________.
A、speed
B、convenience
C、easy operation
D、variety of instruction
参考答案：
B
相关内容
- ● （）any cae or upected cae of quarantinable dieae，or any cae of eruptive dieae or any death be dicovered，the local quarantine officer mut be notified immediately．
- ● Should any cae or upected cae of quarantinable dieae，or any cae of eruptive dieae or any death be dicovered，the local Quarantine Officer mut be（）immediately.
- ● The engine ha one or two group of fuel pump, depending upon （）.
- ● Mater are（）olely reponible for all damage or accident of whatever kind reulting from the navigating or handling of their veel by day or by night.
- ● The Urgency Signal（）indicate that the tation calling ha a very urgent meage to tranmit concerning the afety of a hip or aircraft，or of ome peron on board or within ight.
- ● （）mean any peron by whom or in whoe name or on whoe behalf a contract of carriage of good by ea ha been concluded with a carrier，or any peron by whom or in whoe name or on whoe behalf the good are actually delivered to the carrier in relation to the contract of carriage of good by ea.
- ● If he i a common carrier，he i abolutely reponible to the owner of the good carried （）any lo or damage to them unle caued by an Act of God or the Queen’ enemie，or the inherent vice in the good themelve，or the negligence of the owner of the good，or a general average acrifice.
- ● The court may reduce or deny remuneration if it appear that the alvor have by their fault （）or have been guilty of theft，receiving tolen good，or other act of fraud.
- ● Owner are to be reponible for lo of or damage to the good or delay in delivery of the good only in cae the lo，damage or delay ha been caued by the improper or negligent towage of the good．Thi mean that（）.
- ● Where a container，pallet or imilar article of tranport i ued to conolidate good，the number of package or unit enumerated in the bill of lading a packed in uch article of tranport（）to be the number of package or unit in calculating the amount beyond which the carrier or the hip i not reliable.
- ● The carrier i liable for lo of or damage to the good or delay in delivery caued by fire，（）the claimant prove that the fire aroe from fault or neglect on the part of the carrier，hi ervant or agent.
- ● With one or more cylinder out of operation, the engine peed mut be reduced becaue（）
