水蛭的性状特征:()
A.扁平纺锤形
B.有多数环节,背部黑褐色,可见黑色斑点排成5条纵线
C.质脆,易断
D.断面:胶质样
E.气微腥
参考答案:A, B, C, D, E
阅读短文,回答问题。
An Old Woman
There is an old woman.
She lives in a shoe.
She has lots of children.
In fact, twenty-two.
She gives them soup and she gives them bread.
She kisses them good night and puts them to bed.
1. Is the woman old?
2. Where does she live?
3. Does she have lots of children?
4. She has twenty-one children. Yes or No?
5. Does she give the children soup?
胰高血糖素对糖代谢的作用是( )
A.促进糖原分解和糖异生
B.促进糖原分解,抑制糖异生
C.抑制糖原分解,促进糖异生
D.抑制糖原分解和糖异生