A．赫依、希日、巴达干B．隆、赤巴、培根C．稠、稀、汗D．土、金、木、水、火E．土、水、火、风、空 三秽是指

There are two computers in the office, but ________ is working.

A. either of them

B. neither of them

C. none of them

D. nothing of them

The heads of the two governments met to ______the treaty.

A．rectify

B．ratify

C．certify

D．verify

Macao also benefits from the principles of “one country, two systems”. ()

A、at any point in time, the country could produce both.

B、both bundles must have the same relative cost.

C、consumers are indifferent between the two bundles.

D、the country could produce either of the two bundles.

A、when the first country can only produce the first good and the second country can only produce the second good

B、when the first country can produce both goods, but can only produce the second good at great cost, and the second country can produce both goods, but can only produce the first good at great cost

C、when the first country is better at producing both goods and the second country is worse at producing both goods

D、Two countries could gain from trading two goods under all of the above conditions.

The two Koreans signed a deal to allow ______.

A．reunion of the two nations

B．reunion of the governments

C．reunion of families separated

D．return of former South Korean prisoners