【单选题】下列对膳食参考摄人量的描述错误的是
A.
包括平均需要量、推荐摄入量、适宜摄人量和可耐受最高摄入量四个营养水平指标
C.
是在推荐的每日膳食营养摄入量的基础上发展起来的
【简答题】Anna And this is a picture of my husband and my son ( 1 ) last year. Stella Where did you go? Anna We went to the Yellow Mountain for a few days. Oh, and in this photo you can see my son riding an ele...
【简答题】膳食营养素参考摄入量主要包括( )、( )、( )和( )4项内容。
【简答题】What was Anna going to do as she went to Vronsky’s study feeling trembling with fear and anger?
【单选题】Select the paragraph in the introduction [paragraphs 1-10] that explains what the new "Frozen" movie is about.
A.
The long winter is over. A second "Frozen" movie is coming. It will be out on November 22.
B.
A new trailer was released. A trailer shows what the movie is about. It came out on September 23.
C.
The first "Frozen" movie was about two sisters. Queen Elsa and Princess Anna are the two sisters. The movie was about their love for each other.
D.
Their love is going to be tested in the new movie. They will take a journey together. They will have to try and save the kingdom of Arendelle.
【简答题】并联相同的电池可以使()值增大,而()值保持不变;串联相同的电池可以使()值增大,而()值保持不变。
【单选题】下列对膳食参考摄入量(DRIs)的描述错误的是
A.
包括平均需要量、推荐摄入量、适宜摄入量和可耐受最高摄入量四个营养水平指标
C.
是在推荐的每日膳食营养摄入量(RDA)的基础上发展起来的
【简答题】膳食营养素参考摄入量主要包括 、 、 和 。
【单选题】以8m/s的速度做匀速直线运动的物体,发现紧急情况时,在2秒内停了下来。若停的过程可看作是匀变速直线运动,则停下来的过程中的加速度是