建设现代科研院所制度主要是（）
A、指责明确
B、评价科学
C、开放有序
D、管理规范
参考答案：A, B, C, D
---It is no good continuing to work too hard like him.
---No, as the proverb goes, “_____”
A．A year’s plan starts with spring.
B．All work and no play makes Jack a dull boy.
C．The grass is greener on the other side
D．Rome wasn’t built in a day.
焦炭在炉内的实际堆角为（）。
A.26º～29º
B.30º～34º
C.36º～43º
D.40º～47º
