为开发新品种而捕捉的野生动物，应尽快进入实验动物饲育室进行隔离检疫。
参考答案：错
启闭机产品若长期存放时，每年应清洗（）次，并涂防锈油。
A、1
B、2
C、3
D、4
The book was written in 1946, ____ the education system has witnessed great changes. [ ]
A. when
B. during which
C. since then
D. since when
