更多"[简答题] I haven't enough money for th"的相关试题:
[单选题] I carry only enough money to make change for a bill.
A. tens-dollar
B. ten-dollar
C. ten-dollars
D. tens-dollars
[简答题]I've been so busy lately,I haven't had time to call anybody.
[简答题]The more money I make, the happier I will be.
[单选题]-I really don' t know how to thank you enough. ______
A. No problem
B. Think nothing of it.
C. Not at all.
D. It doesn't matter.
[单选题]Hello, Shirly, haven't seen you for ages, You look fine.
-____. You look well too.
A. Great
B. Thanks
C., Not at all
D. Oh, no, just so so
[单选题]-You haven't paid for it yet. ______
A. Oh, I'm really very sorry.
B. Thank you.
C. Not at all.
D. Of course, I know.
[单选题] If you need any money, I’ll lend you .
A. one
B. it
C. those
D. some
[单选题]若i1=I1sin(ωt+Ψ1），i2=I2sin(ωt+Ψ2）。求i=i1+i2,则i和初相角Ψ为（ ）。
A.
B.
C.
D.
[单选题]- I'm afraid I can't go to your party,I have an important exam tomorrow. ______
A. What a pity
B. With pleasure
C. No problem
D. Mind yourself
[单选题]若将i1=10sin(314t+90°)A,i2=10sin(314t-90°)A,i3=10sin314tA三个电流分别通过同一个电阻,通电时间相等,其发热量最大的是( )。
A. i1
B. i2
C. i3
D.三者相等
[单选题]Sorry I couldn't come to the party. I was sick that day. ______
A.I don't know that
B. That's all right
C. Yes, we'll have another party
D. No, the party wasn't held
[单选题]当ωt=360°时，ｉ1、ｉ2、ｉ3分别为( )
A.负值、正值、0
B.0、正值、负值
C.负值、0、正值
D.0、负值、正值
[简答题] I can't go with you today because I'm too busy.
[单选题]已知:i=100•sin(ωt+30°)A,t=0时,I等于( )A。
A.-100;
B.86.6;
C.-50;
D.50。
[判断题]（ ）安全带组合符号T1×Y中T1表示通用I型安全带。[T/]
A.正确
B.错误
[简答题] I didn't sleep well.
[简答题] I don't feel very well.
[判断题]若i1=8sin(ωt+10°)A, i2=6sin(ωt+30°)A,则其二者合成后合成电流i=i1+i2,仍是同频率的正弦交流电流 。 ( )
A.正确
B.错误
