流行音乐也使用原声乐器（自然音乐器）。
A. 对
B. 错
— How are you going to pay?— ___________ .
A. cash
B. debit card
C. visa card
D. bill
What expressionsare always used by American when bargaining the price?
A. It's too cheap!
B. Could you give me a little deal on this?
C. How much is it?
D. Could you make it cheaper?
像素是图像的基本单位,选区至少应该包含( )一个像素。
A. 3个
B. 2个
C. 1个
D. 多个
微信支付 
支付宝支付