【C16】A．EssaysB．AssetsC．ProspectsD．Deposits

Which of the following characteristic of lube oil helps to reduce the amount of deposits in the piston ring belt during the combustion process in a diesel engine？

It is important that the water _____ very often as this can lead to increased deposits.A.n

Current deposits are money because they are ______.A．legal tender.B．fiat money.C．token mon

The degree of downward slope of a beach depends on its composition of deposits as well as

根据下面材料，回答题。 Lead Pollution （铅污染)Lead deposits, which accumulated in soil an

Britains mineral______include oil, coal and gas deposits.A．originsB．sourcesC．resourcesD．as