基建投入缴纳企业所得税后,作为建设单位的留成收入,其中()用于组织和管理建设项目方面的开支。
A.20%
B.70%
C.10%
D.60%
参考答案:B
After he __________ home, he took a bath.[ ]
A. went back to
B. come back to
C. go back
D. went back
木工刨床安全装置中,降低噪声可采用开有小孔的定位垫片,能降低噪声______dB(A)。
A.10~20 B.10~15C.15~20 D.7~14