十二经络脉的走向规律是()
A.阴经会合于阴经,阴经归并于阳经
B.呈网状扩散
C.与十二经脉共同传注
D.阴经络脉走向阳经,阳经络脉走向阴经
E.以上都不是
参考答案:D
I don't like chocolate, but Sue _____ . [ ]
A. does
B. likes
C. doesn't like
D. doesn't
聚乙烯管道和钢骨架聚乙烯复合管道与热力管道之间的水平净距和垂直净距应符合规范要求,并应确保燃气管道周围土壤温度不大于()℃;
A、30
B、40
C、50
D、60