The wrong description about the power line in engineering installation specification is: ()

A . He has got a cold． B . He wants to die． C . His dog is sick． D . He throws up seriously．

A . A college student in Greece can get a job in the U.K.in summer vocation. B . All the member countries adopt the currency，euro. C . The executive body of the E.U. is the European Commission，headquartered in Brussels. D . The Council of Ministers has the final power to decide E.U.actions.

A . the time it takes for a Layer 3 switch or a router to switch a packet from an inbound interface to the queue of the outbound interface B . the time it takes for a propagate from source to destination C . the time it takes to place a frame on the physical medium for transport D . the time a packet resides in the outbound queue of a router

A . Transparent mode is layer 2. B . Routed mode is layer 3. C . Routed mode has 1 IP address. D . Transparent mode has 1 IP address.

A . for B . with C . to D . o

A．He's taken a couple of aspirins. B．He's forgotten the date. C．He's got a headache.

A．It has run out of paper B．The paper has jammed C．It needs a new ink carriage

A．She calls the wrong number. B．She doesn't know how to use a telephone. C．She is using a broken (打破，中止) telephone.

A．A.PCWAS: Support the +24VDC input and is applicable to the CWU and SMU. B．B.PCWAS: Support the -48VDC input and is applicable to the CW C．C.PCWAH: Support the -48VDC input and the voltage ranges from –40V to–57V. D．D.PCWCS: Support the -60VDC input and is applicable to the CWE

A．He is too cold. B．He is too hot. C．He is iii.

A.He spent all day emailin9． B.He left his email page open． C.He forgot to close the door． D.He quarreled with his boss．

A．Leaking water. B．Broken. C．Inoperative dryer. D．Loud noise.

A．A.Better cell HO B．B.Emergency HO C．C.Low battery HO D．D.Power budget HO

A、Public speaking is just about selecting a topic, planning content, and speaking in public places. B、The most important element of public speaking is the speaker. C、We should be ethical speakers and never use public speaking to manipulate others. D、A good speaker never feels nervous before making a speech. E、Never record yourself or watch your video

A．'declare B．mis'take C．dis'cuss D．'simply

A．The air conditioning system is in good order． B．There is something wrong with it． C．The air conditioning system is out of stock． D．The air conditioning system runs well．