-- I'm afraid I spilled coffee on the tablecloth.
-- _____
A. No, don't mention it.
B. That's good.
C. Oh, don't worry about it.
D. Oh, no, no.
第1题:
A.don't
B.can't
C.couldn't
D.didn't
第2题:
I’d rather you ________ make any comment on the issue for the time being.
A) don’t B) wouldn’t C) didn’t D) shouldn’t
选C
would rather that……"宁愿……",that从句中用过去时表示现在或将来要做的事。
第3题:
I’ve brought two babies with me. It’s really inconvenient for me to drive to the underground parking lot.
A.Don’t worry. I’ll take care of your babies while you’re driving to the underground parking lot.
B.Don’t worry. Someone will drive to the underground parking lot for you with little charge
C.I’m sorry. There is no vacancy right now
D.Don’t bother about it. We provide free valet service
第4题:
下列程序段的时间复杂度为()。 for(i=0; i for(j=0; j c[i][j]=0; for(i=0; i for(j=0; j for(k=0; k c[i][j]=c[i][j]+a[i][k]*b[k][j];
A.O(m*n*t)
B.O(m+n+t)
C.O(m+n*t)
D.O(m*t+n)
第5题:
第6题:
–– Host: Jack, come and sit in the sofa. Dinner will be ready in a minute. Could I get you something to drink?
–– Guest: ____.
A: No, don ’t trouble. I ’ve drunk enough
B: No, you couldn't. I'm not thirsty
C: Yes, you could. I ’d like some Coca cola
D: Yes, please. I'd like some Sprite
第7题:
-- Ann is in hospital.
-- Oh, really? I __ know. I __ go and visit her.
A. didn’t; am going to B. don’t; would
C. don’t; will D. didn't; will
第8题:
A.use
B.overuse
C.write
D.put
第9题:
下列程序段的时间复杂度是()。 for(i=0; i<m; i++) for(j=0; j<t; j++) c[i][j]=0; for(i=0; i<m; i++) for(j=0; j<t; j++) for(k=0; k<n; k++) c[i][j]=c[i][j]+a[i][k]*b[k][j];
A.O(m+n+t)
B.O(m+n*t)
C.O(m*t+n)
D.O(m*n*t)
第10题:
下列程序段的时间复杂度是()。 for(i=0;i<n;i++) for(j=0;j<m;j++) for(k=0;k<t;k++) c[i][j]=c[i][j]+a[i][k]*b[k][j];
A.O(m+n+t)
B.O(m*n*t)
C.O(m+n*t)
D.O(m*t+n)