下列不属于我国古代工艺设计典籍的是()。
A.本草纲目
B.天工开物
C.太平御览
D.考工记
参考答案:A
19.-The book by Tony Garrison is of great use to our course.
-But I think this one is_______worth reading.
A.more
B.most
C.better
D.Best
钻机工作()h以上时必须升井进行检修。
A.200
B.300
C.500
D.600