小军做测量小灯泡电功率的实验,所使用的小灯泡上标有3.8V的字样.
The boy is too young and he needs his mother____ (dress) him.
0.45×10=____ 125×8=____ 6×15=____ 23×2=____
0.45×100=____ 12.5×8=____ 6×1.5= ____ 2.3×2=____
0.45×1000=____ 1.25×8=____ 6×0.15=____ 0.23×2=____
下列有关克隆的叙述,不正确的是
我国的地理位置优越,幅员辽阔,下列说法不正确的是( )