问题 单项选择题

无人机舱,何种情况轮机长必须到机舱亲自指挥()。①每次启动主机之前;②应变部署时;③值班轮机员有疑难要求前往时;④特殊情况下船长命令时;⑤机电设备发生故障危及安全运转时;⑥遥控监测装置进行模拟试验时。

A.①+②+③

B.①+②+③+④+⑥

C.①+②+③+④+⑤

D.①+②+③+④+⑤+⑥

答案

参考答案:D

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阅读短文,根据其内容回答问题。

       Started in 1636, Harvard University (哈佛大学) is the oldest of all the colleges and universities in

the United States. Yale Princeton, Columbia and Dartmouth were opened soon after Harvard.

       In the early years, these schools were nearly the same. Only young men went to college. All the

students studied the same subjects, and everyone learned Latin and Greek. Little was known about

science. And few people know that one kind of school could teach everything that was known about

the world. When the students graduated, most of them became ministers or teachers.

       In 1782, Harvard started a medical school for young men who wanted to become doctors. Later,

lawyers could study in Harvard's law school. In 1825, besides(除……之外)Latin and Greek, Harvard

began to teach modern languages, such as French and German. Soon it began to teach American history.

      As knowledge increased, Harvard and other colleges began to teach many new subjects. Students

were allowed to choose the subjects that interested them. 

      Today, there are many different kinds of colleges and universities. Most of them are made up of

smaller schools that deal with special fields of learning. There's so much to learn that one kind of school

can't offer all.

1. Is Harvard the oldest university in the US?

    ______________________________________________________

2. Who went to college in the early years?

    ______________________________________________________

3. How many languages did Harvard teach in 1825?

    ______________________________________________________

4. Why did Harvard and other colleges begin to teach many new subjects?

    ______________________________________________________

5. Why are most of colleges and universities made up of smaller schools today?

    ______________________________________________________

单项选择题