剪切物体需用___命令。 A: A．Trim(修剪) B: B．Extend（延伸）

extend

How many beats can the pause extend? A: 1 beat B: 2 beats C: Extend appropriately according to the piece style D: Extend the total duration of this measure by half

确保两个活塞伸出长。 A: Make sure that the two pistons extend equally. B: Ensure the two pistons extend evenly. C: Ensure the two pistons extend uniformly.

Generally speaking, when two people meet, _______________________. A: the one with higher rank or authority will first extend his or her hand B: the one with lower rank or authority will first extend his or her hand C: They extend their hands at the same time

翻译： 向.......表示衷心感谢 A: A) to extend sincere thanks to B: B) to extend sincere gratitude to C: C) to show heartfelt love to D: D) to show heartfelt warmth to

They have built an () to the hospital. A: to extend B: extent C: extension

如果所声明的类继承了某一个父类，应该在类名后面使用关键词（）。 A: extend B: extends C: Extends D: Extend

Please extend the L/C for ten days.

They have a downstairs phone and an ________ in each of the bedrooms. (extend)