葡萄的卷须和豌豆的卷须是同源器官。

题型:判断题

问题:

葡萄的卷须和豌豆的卷须是同源器官。

考点:植物学植物学综合练习(二)植物学综合练习(二)题库
题型:判断题

任务型阅读。请仔细阅读第1-5题中的个人情况说明,然后从A到F的六个选项中选出合适的选项与之匹配。其中有一项多余。(共5小题,计10分)

小题1:Jack and Peter, both teachers, are going to take their summer holidays at the beautiful seaside. They like good wine and shopping.

小题2: Chen Hui and Li Hong, university students, want to travel with very little money, and would like to get to know the country by working with the local (当地的) people for two weeks.

小题3:Mr Zhang, a young manager, needs a holiday to relax. He would like to go somewhere warm and sunny, where he can swim in the sea, and he enjoys sports and dancing.

小题4:Mr Lee and his wife, who have recently retired,want to see places of cultural and historic interest, but Mrs Lee hates flying.

小题5: Ling Xia, a nurse in a hospital in Guangzhou, hopes to spend her 21st birthday in the north of China. And she hopes to skate on real ice.

A.Seven Days on Jinsha Island

Seven-day holidays on Jinsha Island, lovely beaches with golden sand and deep blue sea. Sailing and some other water sports as well as dancing to local music.

B.East China in Comfort

Comfortable coach tours around five cities in East China. Six days out of normal holiday season, learning about local culture

C.A Four-day Holiday in Guilin

Relax yourselves during a four-day holiday in Guilin. Go by air, Stay in Lijiang Hotel. Taste delicious Guilin rice noodles. A tour on Lijiang River by boat.

D.Holiday Homes in SanyaHoliday flats in Sanya in summer by the sea, yet near shops and restaurants.

E.One Week on Sun Island, Harbin

One-week holiday in Full Moon Hotel. Beautiful flats with signs of Sun Lake. Skating, skiing and other winter sports.

F. Farm Holidays in Guizhou

Working holidays on a farm in Guizhou for 10—90 days, if you want to work with the farmers. Rooms and food are all provided for free—you only pay for the traffic cost.

题型:判断题
已知抛物线y=-
1
2
x2+4x+3,则该抛物线的顶点坐标为(  )
A.(1,1)B.(4,11)C.(4,-5)D.(-4,11)
题型:判断题

我国“十二五”规划提出“弘扬科学精神,加强人文关怀,注重心理疏导,培育奋发进取,理性平和,开放包容的社会心态”,这是“社会心态”一词首先出现在国民经济和社会发展规划中,国家重视培育健康的社会心态是因为     [ ]

A、社会心态受社会现实的制约    

B、社会心态是对社会现实的反映    

C、社会心态是影响社会现实的精神因素    

D、社会矛盾主要通过调整社会心态来化解

题型:判断题

采用电液调节系统有哪些优点?

题型:判断题

临床资料:男,23岁,自述3天前突发左侧睾丸肿胀疼痛,外院诊断为睾丸炎,消炎治疗无缓解,加重半天来诊。

超声综合描述:左侧睾丸增大,失常态,内回声减低,不均,CDFI:内未见动静脉血流信号;右侧睾丸形态、大小正常,内回声均匀,CDFI:内可见条样血流信号。见下列彩图。

超声提示()

A.左侧睾丸结核

B.左侧睾丸肿瘤

C.左侧睾丸炎

D.左侧睾丸扭转

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