根据现行有关规定，只为中关村科技园区两家非上市股份有限公司股份转让提供报价服务。 ( )
参考答案：对
By "a chance for a fresh start" the author means ______
A．one should learn to seize chances
B．one should often change his jobs
C．unemployment can be of benefit
D．unemployment does not last long
县级人民政府公安机关应当自收到申请人提交的剧毒化学品购买许可证相关材料之日起（ ）日内，作出批准或者不予批准的决定。
A．3
B．10
C．15
