Block A has mass 1.00 kg and block B has mass 3.00 kg. The blocks collide and stick together on a level, frictionless surface.After the collision, the kinetic energy (KE) of block A is A: 1/9 the KE of block B B: 1/3 the KE of block B C: 3 times the KE of block B D: 9 times the KE of block B E: the same as the KE of block B

When dome, bean and block are used to mean head, which level of usage do they fall into? A: formal B: common C: informal D: slang

The high level and low level specified by LVTTL are ________. A: high level 5.0V low level 0V B: high level 3.3V low level 0V C: high level 2.4V~5.0V low level 0V~0.5V D: high level 2.4V~3.3V low level 0V~0.4V

Fiction has two levels of understanding, the narrative level and the<br/>authorial level, or the <br/>surface<br/>level and the deep level of understanding.()

Strategic level of goals and plans shape the tactical level and the operational level of goals and plans.

【单选题】享有报价优先推荐和Popular Supplier标识的等级是? A. Level 4 B. Level 1 和 Level 2 C. Level 3 和Level 4 D. Level 1

创建内部块的命令是（）；创建外部块的命令是（）。 A: Block;Insert; B: WBlock;Block; C: Block;Block; D: Block；Wblock;

创建内部块的命令是（ ）；创建外部块的命令是（ ） A: Block；Wblock; B: Wblock;Block； C: Block; Block; D: Block; Insert；

2、To build core competence, a business should work from such aspects as（） A: strategic level B: organizational level C: technological level D: customer level

A snatch block is a（）. A: block used only with manila rope B: chock roller C: hinged block D: strong block used for short，sharp pull