问题
单项选择题
亚当·斯密的代表著作是（）
A.《政治经济学及赋税原理》
B.《域际和国际贸易》
C.《国民财富的性质和原因的研究》
D.《国际贸易原理》
答案
参考答案：C
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亚当·斯密的代表著作是（）
A.《政治经济学及赋税原理》
B.《域际和国际贸易》
C.《国民财富的性质和原因的研究》
D.《国际贸易原理》
参考答案：C
| 从下面方框中选择适当的选项填入短文中，使短文通顺、完整。选项中有两个选项是多余选项。 | |
Some oranges do not have any seeds. Some have a 2._____ skin (果皮), and some have a thin skin. The orange tree is beautiful. It has a lot of shiny green 3.______. The small white flowers smell very sweet. An orange tree has 4.______ and fruit at the same time. There were orange trees twenty million years ago. The oranges were very small, not like the 5.______ today. The orange trees probably came from China. Many different kinds of wild oranges 6.______ in China today. The Chinese started to raise orange trees about 4,400 years ago. Farmers in other parts of Asia and the Middle East 7.______ to raise oranges from the Chinese. 8.______ they taught Europeans. The Spanish planted orange trees in the New World (North and South America). They 9.______ them to Florida first. Oranges are a very important crop to Florida today. In English, orange 10.______ both a fruit and a color. We use the name of the fruit for the color. |