∵2x2+3≠0且对x∈R都有2x2+3＞0
∴x∈R
故答案为：R
— Want me to give you a ride?
— I can walk myself.
— _____.[ ]
A. With pleasure
B. Suit yourself
C. It depends
D. Never mind
某企业“原材料”账户期初借方余额为120000，本期“原材料”账户的借方发生额为50000元，贷方发生额为80000元，则“原材料”账户的期末余额为( )。
A．贷方100000元
B．贷方140000元
C．借方140000元
D．借方90000元
