将l5.4500修约,修约间隔为0.1,保留一位小数为()。
A.15.4
B.15.5
C.15.3
D.15.5
参考答案:A
We asked Tom and Mike, but ________ could offer any help.
A.both
B.all
C.none
D.neither
电子工艺技术培养目标是什么?