更多"Vitamin E is______."的相关试题:
[单项选择]Vitamin E is
A. very popular among some people.
B. effective in memory enhancement.
C. very helpful to the elderly actions.
D. destructive in aging and cancers.
[单项选择]It has been found that vitamin E______.
A. should be taken by patients regularly and persistently
B. can effectively reduce the recurrence of heart disease
C. has a preventive but not curative effect on heart disease
D. should be given to patients with heart disease as early as possible
[单项选择]The following are external signs of vitamin deficiencies except ______.
A. dry skin
B. thinner and duller hair
C. cracks at the corner of the mouth
D. purplish tongue
[单项选择]Vitamin B -6 is found in all of the following EXCEPT ______
A. dried beans
B. black beans
C. red meat
D. garbanzo beans
[单项选择]To determine vitamin A content in an apple,_____.
A. it has to be ground first
B. it has-to be weighed first
C. it has to be X-rayed first
D. it has to be first treated in a chemical liquid
[单项选择]One good way to get vitamin D is to__________.
A. sleep with your windows open
B. play in the sunshine
C. eat plenty of fresh vegetables
D. take some medicine
[单项选择]维生素E
A. 四氮唑比色法
B. 铁-酚试剂比色法
C. 异烟肼比色法
D. 气相色谱法
E. 碘量法下列药物可采用的含量测定方法为
[单项选择]如果进栈序列为e1、e2、e3、e4、e5，则可能的出栈序列是( )。
A. e3、e1、e4、e2、e5
B. e5、e2、e4、e3、e1
C. e3、e4、e1、e2、e5
D. 任意顺序
[单项选择]设栈S和队列Q的初始状态为空，元素e1、e2、e3、e4、e5 e6依次通过栈S，一个元素出栈后即进入队列Q，若6个元素出队的顺序是e2、e4、e3、e6、e5、e1，则栈S的容量至少应是( )。
A. 2
B. 3
C. 4
D. 6
[单项选择]设栈S和队列Q的初始状态为空，元素e1，e2，e3，e4，e5和e6依次通过栈S，元素退栈后即进入队列Q，若6个元素的出队序列是e2，e4，e3，e6，e5，e1，则栈S的容量至少为( )
A. 2
B. 3
C. 4
D. 6
