A. Pardon
B. Pardon me
C. Thank you
D. OK
第1题:
A、inform
B、uniform
C、tall
D、tell
第2题:
49.—What about some drinks?
—__________.
A. Help, yourself
B. Good idea
C. You're welcome
D. Me,too
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:
– David, you've been losing your temper over nothing lately.– ( ).
A. I haven’t been getting much sleep either
B. You’d better not push yourself too hard, or you’ll get sick
C. I’m sorry. I shouldn’t have blown up like that
D. You’d better do exercises regularly
第5题:
第6题:
me是一个包含3个成员属性为a的集合,you是一个包含2个成员属性为b的集合,则要定义一个2行3列的矩阵所对应的派生集合方法中正确的是
A.ps(me,you):c;
B.ps(you,me):c;
C.ps(a,b):c;
D.ps(b,a):c;