如何对错案责任人追究？

分泌肠毒素，激活环磷酸腺苷介质系统引起小肠过度分泌，造成剧烈水泻

A．痢疾杆菌
B．伤寒杆菌
C．霍乱弧菌
D．大肠杆菌
E．副伤寒甲杆菌

基本转录因子(basal factor)

Bill likes hamburgers, eggs and oranges for breakfast. For lunch, he eats French fries, chicken and salad. For dessert(甜点)，he likes ice-cream. He doesn’t like pears or bananas for dinner. He likes tomatoes, broccoli(花椰菜) and strawberries. Sandra has French fries, eggs, apples and bananas for breakfast. She doesn’t like chicken for lunch. She eats hamburgers, salad and pears for lunch. For dinner, she has strawberries and broccoli. She likes ice-cream for dessert. Bill and Sandra are healthy because they eat lots of (很多) healthy food.

小题1:What does Bill have for breakfast?

A. French fries, chicken, apples and bananas.

B. Hamburgers, tomatoes and oranges.

C. Hamburger, eggs and oranges

小题2:What does Bill like for dessert?

A.Ice-cream    B. Bananas      C. Apples

小题3:Bill doesn’t like ___for dinner.

A.tomatoes     B. pears        C. strawberries

小题4:Sandra has _____ for lunch.

A. chicken and pears  

B. hamburgers, salad and pears  

C. hamburgers, bananas and pears

小题5:What does the word “because” mean(意思是)？

A. 然后          B. 所以         C. 因为

编码组成蛋白质的20种氨基酸的密码子数量

A．16

B．20

C．60

D．61

E．64

与车轮平衡无关的因素是（）

A.轮胎的几何变形

B.轮辋变形

C.轮胎磨损不均

D.轮胎气压