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【多选题】
下列关于维生素D的描述正确的是A.
能调节体内钙、磷代谢，促进钙、磷的吸收和利用
B.
有维持骨骼和牙齿健康的作用
C.
动物肝脏、鱼肝油、蛋黄等含量高
D.
奶类含量少，6月以下母乳喂养的幼儿需适量补充
E.
经常晒太阳是机体获得维生素D的重要途径
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举一反三
【单选题】which of the following is not a distinctive feature of Chinese cooking?
A.
temperature control
B.
standardized recipe
C.
varied cooking techniques
D.
extensive selection of raw materials
【简答题】What's the difference between Western cooking and Chinese cooking?
【简答题】有一个开普勒望远镜，物镜焦距为300mm，目镜焦距为30mm，中间加入一个 由两块透镜组成的-1 x 转像系统，透镜焦距分别为200mm和300mm，间隔为250mm。该 系统的物方视场角2ω=4°，在物镜的像方焦面上有一场镜，在目镜的物方焦平面上有一分 划板，物镜的通光口径为60mm，是系统的入瞳。设所有的透镜均是薄透镜，求：
【判断题】When the parties to a conciliation or arbitration organized by the International Center for the Settlement of Investment Disputes (ICSID) fail to specify the governing law that should be applied, the...
A.
正确
B.
错误
【判断题】Chinese has a very long history in cooking and Chinese people are very capable of cooking delicious food.
A.
正确
B.
错误
【单选题】Which of the following cooking methods is NOT mentioned in the text A "Chinese Cuisine"?
A.
steamed
B.
roast
C.
poaching
D.
red cooking
E.
barbecure
【判断题】According to the vesting of rights doctrine, a court is to apply the law of the state where the rights of the parties to a suit legally became effective.
A.
正确
B.
错误
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