They had a pleasant chat _____ a cup of coffee. [ ]
A. for
B. with
C. during
D. over
答案:D
昆虫的身体表面包着一层坚硬的 ( )
A.表皮
B.角质层
C.外骨骼
D.皮肤
人民法院依照《企业破产法》规定宣告债务人破产的,应当自裁定作出之日起 ( )日内送达债务人和管理人,自裁定作出之日起( )日内通知已知债权人,并予以公告。
A.5 10
B.15 20
C.10 20
D.5 15