Life insurance, ________ available only to young, healthy persons, can now be obtained for old people.

It is very popular around the world now. Everyone, young and old can do yoga. It

Getting stuck in the same old routine until it becomes a rut can ______ the life

[试题]A．healthylifeisfrequentlythoughttobe_______withtheopencountrysideandhomegrownfood.A．)tiedB)boundC．)involvedD)associated

In the past two years the young man has made great progress and now he can work

[单选题]Diesel engine control can be obtained by the bridge （）.A . at any timeB . only after the engine room control station is switched to “bridge control”C . whenever the secondary station is switched to "bridge control"D . with the a

[单选题]Which of the following can be obtained by means of an indicator card?（）A . the peak pressure in a cylinderB . the temperature of the cooling waterC . the fuel consumptionD . none of the above

[单选题]There are only a [limited]number of tickets available.A.smallB.confinedC.ce

[单选题]Not only the switches but also the old wiring ______ changed.A． haveB． areC． have beenD． has been

[单选题]A healthy life isfrequently thought to be [connected] with the open country

[单选题]In ______, the only element that can be deleted or removed is the one that was inserted most recently.A．a lineB．a queueC．an arrayD．a stackA．B．C．D．