对企业投资进行监管是( )的责任。
A.企业家
B.国有企业
C.政府部门
D.国务院
参考答案:C
The organization serves _________ more than 3,000 children who would not have ______to music education.
A./; access
B.for; appreciation
C.by; absence
D./; approval
关于肾穿组织标本做电镜时,取材的大小最好是()。
A.3mm3
B.2mm3
C.1mm3
D.0.5mm3
E.2.5mm3