Pete didn't tell the girl the true price of the necklace because ______.
A. he wanted to sell the necklace at a higher price.
B. he wanted to make her feel she'd got a bargain.
C. he didn't want to sell the necklace.
D. he didn't want to disappoint her.
为了使高内阻信号源与低阻负载能很好地配合，可以在信号源与低阻负载间接入________。
A. 共射电路
B. 共基电路
C. 共集电路
D. 共集-共基串联电路
A．operationsB．actionsC．performancesD．acts
A. operations
B. actions
C. performances
D. acts
微信支付 
支付宝支付