[名词解释] 突击剂量(loading dose)
[名词解释] 维持剂量(maintenance dose)
[名词解释] 剂量—效应关系(dose – effect relationship)
[名词解释] 半数感染剂量(50%binfective dose,IDso)
[名词解释] 半数致死剂量(50%lethal dose,LDso)
[单选题,A型题] 负荷剂量为常规剂量的()A .2倍B .1/2倍C .1倍D .4倍E .3倍
[单选题]What dose “End” at the end of the letter mean?A. Something attached to the letter.B. A complaint to the toy company.C. A hidden messageD. An encouraging response.
[单选题]Where dose the bank close on Satuerday ?A.At 1:00 pmB. At 3:00 pmC. At 4:00 pm