3.5×2÷3.5×2=l.______.(判断对错,对的打“√”,错的打“×”)
3.5×2÷3.5×2,
=7÷3.5×2,
=2×2,
=4;
故答案为:×.
缓冲托辊是用于胶带对货载的缓冲击的作用。()
Although I spoke to her about the matter several times, she took little ______ of what I said.
A.remark
B.warning
C.notice
D.attention