We shall certai nly con tact you, as soon as we are ____ a positi on to en terta in new bus in ess in your district.
毒物吸收的三大主要途径包括消化道、呼吸道和 ______。
问题意识是对问题的一种敏感,产生这种敏感的动因是人对周边世界的______。
慢性阻塞性肺疾病是一种以气流受限为特征的肺部疾病,其气流受限( ) , 呈进行性发展。
He lost ________________ parents when he was a child.
事实前提的特点主要表现在()、()和()三个方面。
lt is our sin cere hope that you will direct your efforts __ the promotion of this new product in your market __ our mutual ben efit.
在头脑风暴法的变式中,片方法的特点是解题信息按照“______”的线索发展,由此寻求解题最佳方案。
___是肺炎链球菌主要的致病因素。
Can you offer us machine tools ___ the following specification?