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【单选题】
TTL 与非门静态空载截止功耗指的是图 5 中的哪个三极管截止 。A.
T 51
B.
T 101
C.
T 71
D.
T 91
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皮皮学刷刷变学霸
举一反三
【单选题】---I'm terribly sorry. I have to cancel my appointment for tomorrow, because I have something urgent.---____________.
A.
I'm afraid you can't do that.
B.
Sorry. We have to wait for another chance.
C.
That's all right. We can put it , sometime next week.
D.
I'm sorry too, but I'm well prepared for it.
【单选题】— I wonder if you have a single room for tonight. —Sorry, I’m afraid we have _________at the moment.
A.
no
B.
none
C.
nothing
D.
no one
【单选题】—I’m sorry , I shouldn’t have been so rude to you . —You your temper but that’s OK .
A.
have lost
B.
had lost
C.
did lose
D.
were losing
【单选题】— Would you like to have milk tea with me this Sunday? — I'd love to, but I'm sorry I have time. [ ]
A.
never
B.
no
C.
not
【单选题】--Would you like ______ the History Museum with us tomorrow? --I’m afraid I won’t. I have been there twice.
A.
visited
B.
visit
C.
visiting
D.
to visit
【单选题】I’m afraid I won’t be available then. I _____ a friend off at 3:00 this afternoon.
A.
see
B.
am seeing
C.
will see
D.
will be seeing
【单选题】I'm terribly sorry. I have to cancel my appointment for tomorrow, because I have something urgent.
A.
--_____________.
B.
I'm afraid you can't do that.
C.
Sorry. We have to wait for another chance.
D.
That's all right. We can put it off sometime next week.
E.
I'm sorry too, but I'm well prepared for it.
【单选题】下列哪个语句在python中是非法的
A.
x=float(y)
B.
x=int(y)+str(z)
C.
x=int(y)+int(z)
D.
x=float(y)+float(z)
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