比a的3倍大5的数是( )
A.3(a+5)
B.3(a-5)
C.3a-5
D.3a+5
a的3倍为3a,
比a的3倍大5的数是3a+5,
故选:D.
Do you notice the man ______ is sitting under the tree? He is our new teacher.
A. that B. who C. whom
材料在施工现场二次搬运的费用应记入()中。
A.措施费
B.材料费
C.直接工程费
D.间接费