在推动我国风险投资主体多元化上的正确做法是（） ["鼓励有条件的大型企业设立风险投资部门","鼓励大型金融机构进入风险投资业","逐步减少政府资金在风险投资业所占比例","陆续出台鼓励天使投资的政策"]
When a tug is pulling on a hawser at right angles to the ship，and the pilot wants to come ahead or astern on the ship’s engine，care must be taken that the pilot（）. ["does not break the towline","does not get too much way on the vessel","keeps a steady course so the towline will remain tight","turns the ship toward the direction of pull"]
“立花”的确立是于17世纪由（）完成的。 ["池坊专定","二代池坊专好","千利休","丰臣秀吉"]
什么是寄生虫性栓塞？
我国风险投资业的发展方向应该是（） ["A.推动投资主体单一化","B.改善风险投资企业的内部治理","C.培养一批高素质的风险资本管理者","D.完善鼓励风险投资的政策措施"]
城区基站一般选用水平波瓣宽度为（），垂直半功率波瓣宽度为（）的天线，天线的增益在（）之间。
