考核企业（）经营管理水平和业绩的主要指标是（）。
参考答案：柜组或个人；销售指标
---- Your father is very strict with you.
---- ____. He never lets off a single mistake of ours.
A．So he is
B．So is he
C．He is so
D．So does he
螺钉因锈蚀难以拆卸时，应把连接件放到（）中。
A.机油
B.柴油
C.煤油
D.汽油
