从下列选项中选取最恰当的一项完成句子。お__はどこですか。
A. うち
B. いえ
C. ファミリー
D. 家族
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Is going on holiday a good or bad thing? That depends. It is great when the trip is [1]____________. It is even better when everything goes right and the plane is not [2]____________. It helps if you get through the [3]____________ quickly, the local people are [4]____________ and the weather is [5]____________.However, it is terrible when you have long queues at airports and the plane is [6]____________, or if the plane is full of screaming [7]____________. A holiday can be ruined if the local people are [8]____________, the weather is bad, and the food is [9]____________, too. A bad hotel also makes for a terrible holiday. It is a problem if you are ill and the [10]____________doesn't speak your language.
药用植物在其一生中积累的各种有机物质的总量,即根、茎、叶、花和果实等的干物质总量,称为( )。
A. 生物产量
B. 经济产量
C. 收获量
D. 重量
药用植物在单位面积上收获的具有经济价值的产品重量,即目标产品的收获量,称为( )。
A. 经济产量
B. 生物产量
C. 地上部分有机物的总量
D. 地下部分和地上部分总有机物的总量
生产和输出光合产物的组织或器官,包括光合作用的叶片,绿色的茎以及绿色的果实等绿色器官,通常指的是( )。
A. 源
B. 库
C. 流