【简答题】国际产品的包装策略有______、______、______、______。
【判断题】( )建筑群子系统由配线设备、干线电缆或光缆、设备缆线、跳线等组成。
【简答题】用括号内所给词的适当形式填空。 1.He always makes his brother __________ (cry). 2.The boy __________ (name) Tom is four years old. 3.I am the __________ (clever) student of all. 4.Yesterday, a 5- year -old boy __...
【简答题】Listen and fill. 听录音,选词填空。 arranges s secretary business boss Amy works as a (1)______ in an IT company. Her (2)______, Mr Thompson, is always very busy. He often talks to his (3)______ ...
【判断题】为了保证零件的质量(精度和粗糙度值),在加工过程中,需要从工件表面上切除的金属层厚度,称为加工余量。加工余量又有总余量和工序余量之分。
【单选题】I can't stand him. He always talks as if he______ everything. A). know B). has known 2) knew D). had known