All words may be said to contain a root morpheme.
单选题A teacher may encourage students to __________ when they come across new words in fast reading.A take notesB ask for helpC guess meaning from contextD look up the words in a dictionary
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单选题A virus scanner is running on a computer and scans all files currently in use. Why should a full scan be performed periodically?()A Files not accessed recently may contain a virus.B A full scan optimizes all files on the hard drive.C A full scan resets the archive bit on the file.D Active antivirus software only scans the C:/WINDOWS directory.
多选题Which four of these statements are restrictions for Frame Relay PVC bundles with QoS support for IP and MPLS? ()AA PVC bundle will not come up unless all the precedence, DSCP, and EXP levels are configured in thebundle.BA PVC bundle can perform precedence and DSCP matching at the same timeCA PVC bundle may contain no more than sixteen PVCsDA PVC can be in only one PVC bundleEA PVC bundle cannot perform precedence and DSCP matching at the same time.FA PVC bundle may contain no more than eight PVCs.
判断题All words may be said to contain a root morpheme.A 对B 错
单选题72. A Least of all B In all C In words D In a wordA AB BC CD D
多选题Which of the following characteristics describe the Root Guard feature?(Choose all that apply.)()AThe port must be put into forwarding state manually after root-inconsistent state has beencorrectedBA Root Guard port receiving superior BPDU goes into a root-inconsistent stateCA Root Guard port receiving inferior BPDU goes into a root-inconsistent stateDWhile the port is in a root-inconsistent state no user data is sent across that portEThe port returns to a forwarding state if inferior BPDUs stopFIt should be applied to all switch ports
单选题What is said about global warming in Excerpt 2?A It may not prove an environmental crisis at all.B It is an issue requiring worldwide commitments.C Serious steps have been taken to avoid or stop it.D Very little will be done to bring it under control.