A、 To enjoy sailing as a popular sport.
B、 To enjoy the breath-taking scenery.
C、 To admire its grandness and power.
D、 To tour through Europe alongside it.

【正确答案】 B

【答案解析】解析：文章开头一再提及castles，villages，and vineyards，并且直接听到scenery，其修饰词stunning在答案B中同义替换为breath-taking。

A、 They are open to tourists all the time.
B、 Some of them are used as accommodation.
C、 There are ghosts lingering in the castles.
D、 There's not enough money to preserve them.

【正确答案】 B

【答案解析】解析：原文提到，一些城堡在旅游季节对游客开放，另外一些则成了酒店、旅馆或一些机构的驻点，故B正确。B项中的accommodation“住所”是原文hotels和hostels的同义表达。

A、 The dangerous twists and turns along the course.
B、 The changeable weather in a single day in North Germany.
C、 The preparation for there being too many people.
D、 The high expenditure on accommodation and traffic.

【正确答案】 C

【答案解析】解析：选项C中的too many people同义替换了原文中的crowds。

A、 By taking advantage of ferries.
B、 By crossing bridges.
C、 By getting through tunnels.
D、 By riding submarines.

【正确答案】 A

【答案解析】解析：根据选项可预测问题是如何过河，原文最后提到司机可以搭乘ferries过河。注意短文结尾处常设考点。