When the tail-shaft is drawn from a vessel in dry-dock, which of the following inspections is required to be carried out?（） The propeller hub taper and shaft keyway should be inspected for cracks or corrosion。 The stern bearing alignment with the stern frame should be checked。 The interior of the stern tube should be inspected for leaks。 The shaft liner should be removed and inspected。
新闻评论若能及时地洞察矛盾和预测将会出现的矛盾，其立论就具有（）。 针对性。 新颖性。 准确性。 前瞻性。
A power-driven fishing vessel is underway on the high seas and is not engaged in fishing. Which of the following factors determines what lights she will show?（）. Whether she is normally a fishing or a trawling vessel。 Her gross tonnage。 Her length。 The type of gear she carrie。
A power driven vessel when towing and the length of the tow exceeds 200 meters shall exhibit during daylight hours where they can best be seen which of the following shapes? （） a diamond shape。 two cones，apexes together。 a black ball。 one cone，apex upward。
《莫把“衙门”抬下乡》这则新闻评论的标题中的修辞手法为（）。 A.比喻法。 B.对照法。 C.回环法。 D.双关法。
界定是否是广播谈话或谈话体评论，主要是看（）。
