A、several hundreds English words
B、hundreds of English words
C、hundred of English words
D、several hundred English words
更多“They have learned about（）in recent years.”相关的问题
A、They work four hours and have four hours for rest. B、They work eight hours and have four hours for rest. C、They work four hours and have eight hours for rest. D、They work eight hours and have eight hours for rest.
A、They are using the wrong WEP key. B、They have been infected with malware. C、They have lost Internet connectivity. D、They need to update their network device drivers.
A、they all have different limitations with respect to coverage B、they all have different limitations in the technology they use C、different systems apply to different ships D、all of above
A、they all have different limitations with respect to coverage B、they all have different limitations in the technology they use C、different systems apply to different ships D、all of above
A、Have your crew check them annually B、They do not need any maintenance C、Have them sent ashore to an approved maintenance facility annually D、Have them serviced by the shipyard annually
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