植物体细胞杂交尚未解决的问题是()A.去掉细胞壁,分离出有活力的原生质体 B.将杂种

题型:单项选择题

问题:

植物体细胞杂交尚未解决的问题是()

A.去掉细胞壁,分离出有活力的原生质体

B.将杂种细胞培育成植株

C.让杂种细胞按照人们的需求表现出亲代的优良性状

D.尚未培育出属间杂种植物

考点:自然科学相关工程与技术细胞工程细胞工程题库
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福建省宁德市蕉城中学15岁学生林某,因轻信QQ中奖虚假信息被骗1550元后,在蕉城区建发绿庄11层楼跳楼自杀身亡。林某的举止教育我们[ ]

A.要尊重和善待他人的生命   

B.每个人的生命都是有价值的   

C.生命的意义不在于长短,而在于对社会的贡献   

D.无论遭遇多大的挫折,都不要放弃生的希望

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一种精密零件的长是2毫米,把它画在比例尺是20:1的零件图上,长应画______厘米.

题型:单项选择题

读亚洲部分地区气候分布图,回答下列问题:

(1)气候类型名称:①                                   ②                                    。

(2)试分析①②两种气候的相同和不同点:相同点:表现在成因上都是                                           造成

    的,表现在气候特点上,夏季都是                       。 不同点表现在冬季的气候特点上:①                   

                  ; ②                         。

(3)分析比较③④两种气候在气候特点上的相同和不同点:相同点:                        。不同点:③有明

    显的                           ;④是                             。 

(4)②③两种气候成因的最大不同点是:                                              ,                                          。

(5)①所处的自然带的的名称是                                          。

(6)图中④→③→②→①自然带的更替主要是受                         因素的制约。

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

下列哪种药物适合制成胶囊剂()。

A.易风化的药物

B.吸湿性的药物

C.药物的稀醇水溶液

D.具有臭味的药物

E.油性药物的乳状液

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