Two relative cooling water systems are designed for this prupose,respectively() termed

A.cooling only

B.cooling and humidifying

C.cooling and dehumidifying

D.adiabatic(绝热的)cooling

In the two cooling curves (A and B) shown in Figure 1, A is for pure metals and B for general glass.

A.①

B.②

C.① and ②

D.Neither ① nor ② is correct

A.party synonyms

B.absolute synonyms

C.perfect synonyms

D.relative synonyms

E.relational synonyms

A.unrelated

B.relative

C.relate

D.inrelated

A.going the rounds of

B.rounding up

C.making the rounds of

D.rounding on

A、letter of credits

B、letters of credit

C、L/Cs

D、L/C

A.The connections of two equipment are abnormal.

B.The relative configurations of the time synchronization of two equipment are incorrect.

C.The MAC addresses of two equipment are consistent.

D.The clock source configurations of two equipment are incorrect.

A.Increased

B.Decreased

C.Notchange

D.Noneoftheabove

We have focused on the case of trade involving only two countries．Suppose that there are many countries capable of producing two goods，and that each country has only one factor of production，labor．What could we say about the pattern of production and trade in this case？ (Hint：Try constructing the world relative supply curve．)