准等速万向节允许相邻两轴的最大夹角是()度
A.30
B.45
C.50
D.切断动力
参考答案:B
“弹丸”注射的正确描述是()。
A."弹丸"要求特定剂量下体积不超过1ml
B."弹丸"要求特定剂量下体积随意
C."弹丸"不要求特定剂量下体积不超过1ml
D."弹丸"要求大剂量下体积尽可能超过1ml
E."弹丸"要求特定剂量下体积尽可能大
—Do you like the film?
—No, I think it's _____. I felt _____ when I sat in the movie theater. [ ]
A. boring; boring
B. bored; bored
C. boring; bored
D. bored; boring