元件封装的外形符号一般应该放置在哪个层: A: Keep OutLayer B: Top Overlay C: TOP Layer D: Bottom Layer

封装的外形轮廓一定要在上绘制。 A: Top Overlay B: BottomLayer C: TopLayer D: Keep-OutLayer

【单选题】the grass! A. Keep to B. Keep up with C. Keep on D. Keep off E. Keep out of F. Keep up

They don't think they must _____ their neighbours. A: keep up with B: keep on C: keep up D: keep

She tried her best to () the trouble. A: keep on B: keep back C: keep out of D: keep down

The sign at the entrance to the building says “Pet ( )()( )”! A: Keep out B: Keep on C: Keep off D: Keep away

.He made a fire _____himself _____ warm. A: make, to keep B: to make, to keep C: to make, keep D: make, keep

We will be marching today for ______________________ gun laws, but we will not stop with just ____________. We will keep walking; we will keep running; we will keep marching; we will keep fighting and we will keep ________________until we are successful in our fight to keep our children ____________.

保持冷静的英文正确表述是( ). A: Keep silence. B: Keep silent. C: Keep quiet. D: Keep calm.

They walked so fast that I could not ________them. （ ） A: keep back B: keep away from C: keep out D: keep up with