问题
单项选择题
玉米对N、P、K的需要量由大到小顺序为（）。
A.N－P－K
B.N－K－P
C.K－N－P
D.K－P－N
E.P－N－K
答案
参考答案：B
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玉米对N、P、K的需要量由大到小顺序为（）。
A.N－P－K
B.N－K－P
C.K－N－P
D.K－P－N
E.P－N－K
参考答案：B
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| Not long ago I wasn't doing very well in exams and I was full of disappointment and __1__ thinking. While on the Internet,I met many new friends, but one in particular __2__.His nickname is Colorful Day and we __3__ on the Web.He told me: he lost his __4__ at age 15, and felt the whole world had closed its door to him. He was __5__ so fast that I couldn't believe he was blind! But he continued to __6__: Five years ago, I realized it was time to change my life.I had read about Helen Keller and understood her life and __7__. So I developed a website about her life __8__ mine called Three Days to See. I visited his website which was well produced and vividly __9__. I asked, "How did you 10 to build such a website?" He said,"Owing to the new technology, I can use software specially 11 for the blind. 12 I point the cursor(光标), it will just read it out to me. We can do far more things and 13 more information than we could before." I then asked, "Didn't you have great difficulty with it?" He hesitated and then began his 14 with a smiling face," Yes, but I have faith in myself to 15 my colorful day. And modern technology gives me this 16 to do it." His 17 attitude towards life made me believe that our destiny offers not the cup of despair, 18 the chalice (大杯) of opportunity. I returned to my lessons, and this time with a smile on my face and with 19 of a colorful future. The Internet, which opened to me to 20 different lives and cultures, has a charm you couldn't find in another wise nonvirtual world. | ||||
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