(72)are used for backing up large amounts of data.(72)

A． Keyboard

B． Printer

C． Disk

D．CPU

[单选题]________ is used for heaving up and slacking away the anchor and chainA．A winchB．A windlassC．A craneD．A jumbo boom

[单选题]Mist detectors used on large low-speed main propulsion diesel engines monitor and check for the presence of （）.A . fuel oil vapor at the sludge tank ventB . unburned fuel vapors in the scavenge air receiverC . lube oil vapors in the crank caseD . lub

[试题]Iusedtosmoke____butIgaveitupthreeyearsago.(A)seriously(B)heavily(C)badly(D)severely

[单选题]Little Tom is used to getting up ______eight every morning.A.atB.onC.inD.of

[单选题] Computer (72) is used to temporarily store data.(72)A． CPUB． diskC． memoryD． I/O

[单选题]C．omputer (72 )is used to temporarily store data．A．CPUB．diskC．memoryD．I/O

[问答题]In many factories,an assembly line is used to speed up the efficiency ofthe

[单选题]有如下类的声明： class Base{ protected： int amount； public： Base(int n＝0):amount(n){} int getAmount()const{return amount;} }； class Derived:public Base{ protected： int value public： Derived(int m，int n):value(m)，Base(n){} int getData()const{return value+amou

[单选题]A company reported a large increase in gross profit margin compared to the

[单选题]A． sensor network is （ ） of a large number of sensor nodes that are densely deployed （ ） inside the phenomenon or very close to it.A．part B．consist C．consisted D．composed A．either B．from C．at D．of