运输包装系统设计的主要问题有:产品特性分析,________(跌落高度,堆码压力,运输环境,温湿度,粉尘,霉菌,辐射等),(缓冲材料,包装容器用材料,其他防护包装材料),________(内包装、外包装、集合包装),________(跌落实验、抗压实验、抗震实验等)。
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They are going to listen to the stereo. (就画线部分提问)______ are they going to _____ ?
A. How, doing
B. What,doing
C. What, do
D. How, do
He is Jim. (写出同义句)His ____ is _____.
A. name, Jim
B. call, Jim
C. surname,, Jim
D. last name, Jim
Pink is her favourite colour. (写出同义句) She _____ pink colour _____.
A. like, best
B. likes, best
C. likes, well
D. like, well
He is putting it in front of the window. (用be going to 改写句子) He is _____ _____ _____ it in front of the window.
A. going to putting
B. go to put
C. going to put
D. go to putting