按可燃物的类型和燃烧特性不同,下列物质发生火灾属于B类火灾的是()。
(A)橡胶制品
(B)沥青
(C)黄磷
(D)金属钙
参考答案:B
阅读表达。
The new school term is coming. Now the school clerks are planning a new timetable for Class 7 ,
Grade 9.
There are six classes every day, four in the morning and two in the afternoon. The students have a
math class every day. And they have seven English classes in a week. Two of them are given by a foreign
teacher and should be arranged together on Thursday morning.
There are five Chinese classes in a week. Two of them should also be arranged one after the other
for the students to write their corupositions.
They have two physics classes in a week but on different days. Besides these, there is an art class
every Wednesday afternoon.
It's necessary and important for students to take enough exercise. So they have two PE elsses every
week. And they can do outdoor activities after school every afternoon.
阅读短文,完成表格。
知行统一的方法是指()。
A.学习医学伦理学必须做到理论与实践相结合
B.系统地学习医学伦理学的基本理论、范畴、规范和原则
C.把医德观点和医德规范准则放在所处的历史时代去理解
D.把历史上的一切医德理论和规范都继承下来
E.把医学伦理学的一切理论、道德原则和规范都背诵下来