问题
单项选择题
自申请之日起向前计算6个月内具有与其适任证书所载范围相应的累计不少于（）个月的海上服务资历，且任职表现和安全记录良好的人员，可申请适任证书再有效。
A、3个月
B、18个月
C、6个月
D、12个月
答案
参考答案：A
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自申请之日起向前计算6个月内具有与其适任证书所载范围相应的累计不少于（）个月的海上服务资历，且任职表现和安全记录良好的人员，可申请适任证书再有效。
A、3个月
B、18个月
C、6个月
D、12个月
参考答案：A
| 阅读下面短文，从方框内选择恰当的句子填入短文空白处，使短文内容完整、意思连贯。 | |
| Bill is only fifteen years old, but he's already very rich. Two years ago, Bill began a football website (网站) for young people."I became interested in computers when I was eight because my father's job is with computers. As a little boy, I also loved football. 1______ " Bill started the"Football OK!" website two years ago, and now more than 20,000 people visit it every day. 2______ He usually gets up at six and looks at his e-mails. Then he goes to school from nine to four. In the evenings, he always works for about four hours on his website. 3______ "At the moment I am thinking about a new website on American football, maybe for next year," he said. And is Bill the same person that he was three years ago? 4______ "I have met a lot of interesting people on the website and I have traveled all over the world." Bill doesn't know about the future."Maybe I will sell the website. I really don't know. I'll just wait and see." When he is 21, Bill will be a millionaire (百万富翁). 5______
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