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单选题We agreed to accept（）they thought was the best tourist guide.A whateverB whomeverC whicheverD whoever
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单选题I thought you might be tired, （） is why I decided to help you.A thatB thisC whichD as
多选题Which two statements about the best effort model for QoS are true？（）Adelay sensitive packets are given preferential treatmentBthe default policy identifies a delay sensitive class and default classCthe default policy identifies a delay sensitive class， best effort class， and default classDthe model is highly scalableEthe model is still predominant on the internet F the model provides guaranteed service
单选题According to the passage, why are people more likely to tell the truth through certain mesa of communication?A They are afraid of leaving behind traces of their lies.B They believe that honesty is the best policy.C They tend to be relaxed when using those mesa.D They almost practiced at those forms of communication
单选题Perhaps the last word is best left to his father. Bill Hayes：“When Mike first told me about his ______ , I just laughed and said that I thought it was foolish—Which shows you that he’s smarter than I am.”A dreamB ideaC problemD study
单选题I thought that honesty（）the best policyA wasB isC wereD be
单选题—I thought you were going to call on me last night. —Sorry, I would have, ______A but I had to finish my homeworkB but 1 would call you as soon as possibleC I thought you were thereD you would have taken me there
