产生时差的原因是()。A.地球自转 B.太阳周日视运动 C.地球自转的速度不均匀 D

题型:单项选择题

问题:

产生时差的原因是()。

A.地球自转

B.太阳周日视运动

C.地球自转的速度不均匀

D.地球公转的速度不均匀

考点:海船船员考试时间系统时间系统题库
题型:单项选择题

Have you ever been in London before? You do not know how to start your trip? Let’s go for a tour on a London Big Bus to have a look around London and get on and get off at the attractions you will visit during your tour.

Make the most of London Sightseeing and discover its attractions thanks to two tour routes: red tour route and blue tour route. Feel free to hop on and hop off the tour bus at any attraction during the tour.

The red route:

Enjoy the must-see London attractions such as the Tower of London, St. Paul’s Church, Westminster Abbey and Buckingham Palace. The professional guide on board will keep you entertained commenting on the different sights all along the tour.

The blue route:

It provides a deeper tour around the city and you will discover Central London, Kensington and Hyde Park. Feel the spirit of the beautiful London and stop to stroll along the Kensington High Street. Do not miss Harrods and the impressive area of Notting Hill.

Alone or with somebody, London Big Bus Tour will offer you an unforgettable day. Start planning your stay thanks to the many attractions you saw on the way. Discover the city at our own pace thanks to the hop on and hop off from one of the London symbols: the open top double-decker bus (双层公共汽车).

Bus times:

Summer — every 5 to 10 min, from 8:30 am to 6:00 pm

Winter — every 10 to 20 min, from 8:30 am to 4:30 pm

Ticket:

Valid 24 hours — adults £25, children £l0

Groups can get special prices

Tour Highlights:

※ Tours in 8 languages

※ 70 stops at all main London attractions

※ Free Thames River cruise and 3 walking tours included

※ Save money and time

※ High flexibility as you can hop on and hop off at any time

※ Perfect for family

Find the tour that best suits you, and have a look at our other London tours!

60. If you choose the red route, _____.

A. you can only do sightseeing on the bus

B. you’ll pass through famous Hyde Park

C. you can visit the main London attractions

D. the tour guide will speak to you only in English

61. Taking the blue route, you are able to _____.

A. experience the life in the heart of London 

B. dine in the most famous restaurant of London

C. taste English food at Notting Hill

D. go shopping in the famous stores

62. What can we know about London Big Bus Tour from the passage?

A. Traveling with family doesn’t save money

B. Tourists can get on and get off at any stop.

C. No tourist can enjoy free Thames River cruise.

D. The London Big Bus can take you to all London attractions.

63. The passage is mainly written for _____.

A. travelers to London

B. travelers from London

C. travelers who want to save time

D. travelers who want to study English

题型:单项选择题

氯琥珀胆碱在碱性水溶液中易发生水解是因为其结构中含有()

A.酯键

B.内酯键

C.酰胺键

D.双键

E.异丙基

题型:单项选择题

根据调查,青年人中有80%的人希望自己有一辆车,我国有3亿青年人,因此,我国的需求极大。

题型:单项选择题

期门穴位于胸部,前正中线旁开4寸()。

A.第3肋间隙

B.第4肋间隙

C.第5肋间隙

D.第6肋间隙

E.第7肋间隙

题型:单项选择题

使用梯子登高时,应注意的事项?

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