利用超速离心机以差速离心法可从动物组织匀浆中分离出下列哪些细胞器（）
A.细胞核
B.线粒体
C.溶酶体
D.核糖体
参考答案：A, B, C, D
在图所示的现象中，能用光的折射规律解释的是 [ ]
A.经凸透镜成放大的像
B.山峦在水中的倒影
C.在墙上投出的手影
D.烛焰通过小孔成像
Which of the following steps is least likely to be an administrative step in the capital budgeting process（）
A. Arranging financing for capital projects.
B. Conducting a post-audit to identify errors in the forecasting process.
C. Prioritizing projects according to project profitability and company resources.
