主要由外力沉积作用造成的是（） ["珠江三角洲","长江三峡","桂林山水","黄土高原的千山万壑"]
In 1978,21989 vessels,including warships（）through the Suez Canal. ["passed","passes","pass","past"]
要根本上祛除信用失范现象，必须及时推动经济体制、政治体制改革，杜绝信用失范产生的体制漏洞。当前要着重做好以下几方面：（）。 ["推进政治体制改革，尽快转变政府职能","加速经济体制改革进程","重视市场体系的培育和健全","加强企业信用监督，整顿规范企业信用秩序"]
账户交易明细可以通过（）交易查询。 ["A.000400","B.000450","C.029168","D.062001"]
In a married falls rig at the after end of a hatch , a boom is rigged in a fore and aft line through its heel . Stresses on the outboard guy will be least if the guy is made fast at a point（）. ["abreast the heel","at right angles to the boom when viewed from above","aft of the heel","forward of the spiderband"]
简述工业包装设计时要考虑的要素。
