职业病诊断应该由什么单位诊断才能有效？
参考答案：
职业病诊断应当由省级以上人民政府卫生行政部门批准的医疗卫生机构进行职业病诊断。
—The girl _______ all her pocket money to the people in the Southwest for the serious drought (旱灾).
—What a good girl! [ ]
A. took away
B. gave up
C. gave away
设计餐厅时，应考虑哪些问题？
