1千克橘子的价格为a元,那么10千克橘子的总价是______元.
1千克橘子的价格为a元,那么10千克橘子的总价是 10a元.
故答案是:10a.
.The little girl was____________by a____________noise at midnight.
A.terrified , terrified
B.terrifying, terrified
C.terrifying, terrifying
D.terrified, terrifying
用钳形表测量小电流有何缺陷,怎样弥补?