1kg工质温度变化1℃,吸收或放出的热量被称为()。
A.比重
B.比热容
C.比容
D.比焓
参考答案:B
阅读下列表格,完成各题。
1. What lesson do they have at 3:00 pm on Tuesday?
A. Chinese and math.
B. art and English.
C. English
D. Math
2. Do they have lessons at 10:30 am on Thursday?
A. Yes, they have,
B. No, they don't.
C. We can't know from the timetable.
D. Yes, they do.
3. When does an art lesson begin on Friday? At ______.
A. 9:10 am
B. 10:30 am
C. 1:45 pm
D. 2:45 pm
4. How many lessons do they have in a week?
A. 10.
B. 11.
C. 12.
D. 13.
5. They have ______ kinds of lessons in a week.
A. 7.
B. 4.
C. 5.
D. 6.
项目式组织的优点是()。
A.命令单一
B.有利于人才全面培养
C.项目经理享有较大自主权
D.组织结构简单灵活
E.对客户的响应较快