试题与答案

已知C、D在直线AB上,那么直线AB上的射线有( )A.6条B.7条C.8条D

题型:选择题

题目:

已知C、D在直线AB上,那么直线AB上的射线有(   )
A.6条
B.7条
C.8条
D.9条

答案:

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参考答案:D解析:本题考查的知识点是施工项目负责人的安全生产责任。 项目负责人的安全生产责任主要是:(1)对建设工程项目的安全施工负责;(2)落实安全生产责任制度、安全生产规章制度和操作规程;(3)确保安全...

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题型:单项选择题

Looking back on my childhood, I am convinced (1) naturalists are born and not made. Although we were all brought (2) in the same way, my brothers and sisters soon gave up their pressed flowers and insects. (3) them, I had no ear (4) music and languages, I was not an early reader and I could not do mental arithmetic.Before World War I we (5) our summer holidays in Hungary. I have only the memory of the house we lived (6) , of my room and my toys. I can hardly (7) clearly the large family of grandparents, aunts, uncles and cousins who gathered (8) door. But I do have a clear memory of the dogs, the farm (9) , the local birds and, (10) all, the insects.I am a (11) , not a scientist. I have a p (12) of the natural world, and my enthusiasm has led me into varied investigation. I love discussing my favorite topics and enjoy (13)  the midnight oil  (14)  reading about other people’s observations and discoveries. Then  (15)  happens that brings these observations together  (16)  my conscious mind. Suddenly you fancy (想象), you see the answer  (17)  the riddle, and books, of which some might honor with the title of scientific research.But curiosity, a keen eye, a good memory and enjoyment of the animal and plant world do not make a scientist; one of the outstanding and essential  (18)  required is self-discipline, a quality I lack. A scientist requires not only  (19)  but also hard training, determination and a goal. A scientist, up to a point, can be made. A naturalist is  (20) . If you can combine the two, you get the best of both worlds.

 

第(12)空应选择()

A.wish

B.eagerness

C.imagination

D.love

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