A、Sure, have a seat
B、Yes, but I don’t know
C、I’m sad
D、No, not at all
第1题:
—Where____you____lunch?
—Athome.Therewasnoschoollunch
A.did;have
B.are;having
C.will;have
D.do;have
第2题:
When introducing yourself to someone you don't know at a party, what would you say?()
A、Hi, I'm**
B、May I introduce myself to you and at the same time I make your acquaintance?
C、Hi, I'd like to meet you.
D、Hi, I'm .Do you know many people here?
第3题:
下列代码运行时不会产生错误的是?
A.print 'Hi, I'm fine'
B.print "Hi, I'm fine"
C.print 'Hi, I'm fine"
D.print "Hi, I'm fine'
第4题:
第5题:
You look() What()you()?
Atire;did;do
Btiring;have;done
Ctired;do;do
Dtired;have;been doing
第6题:
已知关系R(H,I,J,K,L,M,N),函数依赖集F为{ HI→JM,HK→JL,HN→I,K→J,I→K },问:F的最小覆盖为_________。
A.{ HI→M,HK→J,HN→I,K→J,I→K}
B.{ HI→M,HK→L,HN→I,K→J,I→K}
C.{ HI→J,HI→F,HK→J,HK→L,HN→I,I→K,K→J}
D.{ H→M,I→M,HK→L,H→I,N→I,K→J,I→K}