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【单选题】
下列关于肉芽组织的描述错误的是
A.
肉芽组织由新生的血管及成纤维细胞构成
B.
肉芽组织可抗感染保护创面
C.
肉芽组织鲜红色颗粒状、
D.
肉芽组织可填补创口缺损
E.
其中大量渗出液及炎细胞
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参考答案:
举一反三
【简答题】凡北京市单位和个人需从外省、自治区、直辖市调入农业植物种子、苗木及其繁殖材料的,必须事先向市植物保护站及其授权的县(区)植物保护站提出检疫申请,由市植物保护站向调入单位或个人提出()()。
【单选题】如图所示1/4圆截面,C点为形心,则有 。
A.
y 1 、 z 1 是主轴,而 y 、 z 不是
B.
y 、 z 是主轴,而 y 1 、 z 1 不是
C.
两对轴都是主轴
D.
两对轴都不是主轴
【单选题】图示1/4圆截面,c点为形心,则( )。【图片】
A.
y 1 , z 1 是主惯性轴,而 y , z 不是
B.
y , z 是主惯性轴,而 y 1 , z 1 不是
C.
两对轴都是主惯性轴
D.
两对轴都不是主惯性轴
【单选题】Which of the following statements about Zhuangzi’s ideas on freedom is correct?
A.
Zhuangzi’s thought has influenced many famous scholars such as Ruan Ji, Tao Yuanming, Dai Jinsheng
B.
Ruan Ji refused to be an official by quoting Zhuangzi’ story of the chick living in the wild
C.
Both the In the Wild or in a Cage story and The Hat Seller from Song story show that he loves freedom
D.
To eat like a king is good, even if the price you have to pay is your freedom, it’s worthwhile
【单选题】Il ne faut pas faire confiance à n'importe _______
A.
quelle personne
B.
personne
C.
toute personne
D.
rien
【判断题】Il faut tous faire pour finir ce travail.
A.
正确
B.
错误
【单选题】Many AIDS experts are not completely satisfied with results of the study because
A.
only a limited number of chimpanzees are used for sampling the virus.
B.
it is now extremely difficult to find chimpanzees that carry the virus.
C.
the samples collected are from two different subspecies of chimpanzees.
D.
it does not provide reliable evidence of the link between SIV and HIV-
【单选题】From what we have learned about Zhuangzi, which of the following statement is wrong?
A.
Zhuangzi was an official in a small town and didn’t have a high official rank
B.
To explain his thought more clearly, Zhuangzi used many fascinating stories in his book
C.
The book Zhuangzi is addressed to the sage-ruler and primarily concerns public life
D.
Zhuangzi’s thoughts exerted great influence on the development of Buddhism and Chinese philosophy
【单选题】两端铰支的压杆,其长度系数为( )
A.
2
B.
1
C.
0.7
D.
0.5
【单选题】在两端铰支的情况下,压杆的长度系数为()
A.
μ=0.5
B.
μ=1
C.
μ=0.7
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