【单选题】A. appre c iate B. di s cussion C. c inema D. Practi c e
【单选题】在下图所示电路中,用戴维南定理求6Ω电阻中的电流I=( )。
【单选题】下列各项中,不属于负债类账户的是( )。
【多选题】What are the customs of Halloween Day?
D.
Contests of bobbing for apples.
【多选题】What are the customs of celebrating Spring Festival?
A.
Visiting friends and relatives
D.
Setting off firecrackers
【单选题】试用电压源与电流源的等效变换法,求下图所示电路中2Ω 电阻上的电流 I。
【单选题】________you practi c e, _________perfect you will be.
C.
the better; the better