A、Have a good time.
B、Thank you. I'd love to.
C、I have no idea.
D、Not at all.
第1题:
I______to be a scientist when I______ a boy.
A、wanted, was
B、want, am
C、wanted, am
D、want, was
第2题:
第3题:
Me,you是两个初始集合,则下列关于派生集合定义方式正确的是
A.link/me,you/:a;
B.link(me,you):a;
C.link/me you/a;
D.link(me,you)/a;
第4题:
2.—How _______you?
—I_______ fine, thanks.
A.are;is
B.are; am
C.are;are
D.is,am
第5题:
第6题:
在标准I/O板DSQC651上,下列哪个信号类型和地址搭配能正确使用()。
A.DO:1
B.DI:1
C.GO:5-9
D.GI:9-12