爸爸给张红有a元钱,她买了2个面包,每个面包b元,她还剩下______元.
由题意有:
还剩下的钱数为:(a-2b)元,
答:她还剩下(a-2b)元.
故答案为:(a-2b).
—Peter is late for class, but he should take the test at once.
—__________. He should take the test after class.
A.I agree.
B.I disagree.
C.I think so
D.I don’t think, either.
中国工程咨询协会的简称为( )。
A.FIDIC
B.CNAEC
C.CANEC
D.CNEAC