【判断题】柠檬黄、中黄、土黄的色相、明度和纯度都是一致的。
【单选题】阅读短文,完成96—100题。 一个国际科学小组携带数吨硫酸铁粉末起航前往南极,以研究能否以硫酸铁为“肥料”促进南极海域海藻等微生物的生长来减缓全球变暖的速度。 该小组的9名研究人员来自东英吉利亚大学和普利茅斯海洋实验室。预计科学家们将于2月开始进行实验,届时他们将把数吨硫酸铁倾倒入南极海域,同时还将向海中释放硫化六氟化合物示踪剂,该示踪剂可检测硫酸铁的变化和去向。 铁元素可提高海洋生态系统生产力...
A.
以硫酸铁为“肥料”促进南极海域微生物的生成以减缓全球变暖的速度
【单选题】阅读下面短文,完成 5~9 题。 一个国际科学小组携带数吨硫酸铁粉末起航前往南极,以研究能否以硫酸铁为“肥料”促进南极海域海藻等微生物的生长来减缓全球变暖的速度。 该小组的9名研究人员来自东英吉利亚大学和普利茅斯海洋实验室。预计科学家们将于2月开始进行实验,届时他们将把数吨硫酸铁倾倒入南极海域,同时还将向海中释放硫化六氟化合物示踪剂,该示踪剂可检测硫酸铁的变化和去向。 铁元素可提高海洋生态系统生产...
A.
以硫酸铁为“肥料”促进南极海域微生物的生成以减缓全球变暖的速度
【单选题】In the figure given below AB is the production-possibility curve of Canada. In the absence of trade, the price ratio is 1 bushel of wheat/bale of cotton as shown by the line PQ. The international pric...
A.
a. Canada has a comparative advantage in the production of wheat.
B.
b. Canada has a comparative advantage in the production of cotton.
C.
c. Canada has an absolute disadvantage in the production of both the goods.
D.
d. Canada has absolute advantage in the production of both the goods.
【单选题】S1:Bridge to Aft Station. Get ready for sending heaving line, aft station. Over.S2:Aft to Bridge. Ready for sending heaving line.Over. S1:Bridge to Aft Station. Is stern clear? Over. S2:Aft to Bridge....
A.
The head line should be heaved away.
B.
The stern line should be heaved away.
C.
The heaving line should be heaved away.
D.
The man rope should be heaved away.
【单选题】以下关于直接胆红素描述错误的是
B.
在肝细胞内与葡糖糖醛酸结合,使其水溶性增高。
D.
与胆汁酸和胆酸盐共同构成胆汁,主要随粪便排出体外。
【单选题】In the figure given below AB is the production-possibility curve of Canada. In the absence of trade, the price ratio is 1 bushel of wheat/bale of cotton as shown by the line PQ. The international pric...
A.
Canada has a comparative advantage in the production of wheat.
B.
Canada has a comparative advantage in the production of cotton.
C.
Canada has an absolute disadvantage in the production of both the goods.
D.
Canada has absolute advantage in the production of both the goods.