【多选题】世界旅游组织与我国开展了若干技术合作,其中曾派遣国际专家帮助我国( )制定了长期旅游发展规划。
【单选题】下列植物中,只有 ( ) 不属藻类植物。
【单选题】Assume that the dollar value of a Swiss franc is 0.8600 (dollar per franc), and that U.S. importers start to like Swiss watches more than they did in the past. The Swiss franc would:
A.
appreciate, as the demand curve of Swiss franc shifts to the right.
B.
depreciate, as the demand curve of Swiss franc shifts to the right.
C.
depreciate, as the demand curve of Swiss franc shifts to the left.
D.
appreciate, as the supply curve of Swiss franc shifts to the right.
【单选题】Assume that the dollar value of a Swiss franc is 0.8600 (dollar per franc), and that U.S. importers start to like Swiss watches more than they did in the past. Assume that the Swiss Central Bank wants...
A.
buy up Swiss francs and sell dollars.
B.
buy up dollars and sell Swiss francs.
C.
buy up both dollars Swiss francs.
D.
sell both dollars and Swiss francs.