【单选题】You ______these parcels yourself. The shop would have delivered them if you had asked them. [ ]
【单选题】We usually have six lessons a day, and each of them ____ 40 minutes. [ ]
【简答题】身体评估的基本的检查方法包括 、 、 、 、 。
【单选题】用马血清中的免疫球蛋白免疫小鼠得到的抗体,其所针对的特异性抗原主要是:
【单选题】计算贷款指定期数应付的利息额应该使用函数()。
【单选题】用马血清中的免疫球蛋白免疫小鼠得到的抗体,其所针对的特异性抗原主要是:
【单选题】In the case of _______ teacher should keep a small pad beside them and make a note of one or two important mistakes.
【单选题】Beside them , we need __ to do the work.