问题题干答案解析相关问题热门问题最新问题

问题详情

Sorry to have kept you（）for a long time.

A、waiting

B、wait

C、waited

D、to wait

时间：2021-12-31 18:52 关键词：海上通信基本知识水路交通运输技能考试海船船员考试

答案解析

A

相关问题

boost的意思是:help or encourage to increase or improve
我国海船船员考试发证等规则的制定，是以（）公约为主要依据的。
_________ in a person’s speech or writing usually ranges on a continuum from casual or colloquial to formal or polite according to the type of communicative situation.
阅读下面的句子并选择正确的汉语翻译。目：1 Having a healthy snack on hand, like a granola bar or fruit can help your blood sugar levels and may provide a healthy boost of energy回答 2 Instead of sending an email to your co-worker, walk to her desk or just take the stairs today, even though youre tired回答 3 Moreover, these people may be friends or strangers — people of your own age, or people who are younger or older than you回答 4 People in different countries have different ideas of what sounds friendly, polite or sincere — and of what sounds rude or unfriendly!回答选项：
《中华人民共和国海船船员船上培训管理办法》中的船上培训是指申请三副、三管轮适任证书的船员通过理论考试后在船舶上进行的（），以及申请船长、轮机长、大副、大管轮适任证书的船员通过理论考试后在船舶上进行的（）。