When Jason failed to pay his bill，the network company ________his Internet connection.
A：cut off
B：cut back
C：cut short
D：cut down
— Sounds interesting.
台湾的工业多分布在西部地区，有关其有利条件的叙述，正确的有（ ）
下列基因组成一般属于生殖细胞的是（ ）
