可靠安全系数是指() A: LD/ED B: ED/LD C: LD/ED D: LD/ED E: ED/LD
可靠安全系数是指() A: LD/ED B: ED/LD C: LD/ED D: LD/ED E: ED/LD
安全界限为() A: LD B: ED C: LD/ED D: LD/ED E: LD/ED
安全界限为() A: LD B: ED C: LD/ED D: LD/ED E: LD/ED
半数有效量为() A: LD B: ED C: LD/ED D: LD/ED E: LD/ED
半数有效量为() A: LD B: ED C: LD/ED D: LD/ED E: LD/ED
background:url(2、png),url(1、jpg),url(3、png),url(4、jpg);},表示哪张图片处在最上层() A: 2、png B: 1、jpg C: 3、png D: 4、jpg
background:url(2、png),url(1、jpg),url(3、png),url(4、jpg);},表示哪张图片处在最上层() A: 2、png B: 1、jpg C: 3、png D: 4、jpg
ED WEQWERQWRQWRQWR A: 1 B: 2 C: 3 D: 4
ED WEQWERQWRQWRQWR A: 1 B: 2 C: 3 D: 4
MAC是用来表示吸入麻醉药作用强度的() A: LD B: LD C: ED D: ED E: ED
MAC是用来表示吸入麻醉药作用强度的() A: LD B: LD C: ED D: ED E: ED
半数致死量是指() A: LD B: LD C: LD D: ED E: ED
半数致死量是指() A: LD B: LD C: LD D: ED E: ED
ask(ed) A: want(ed) B: pleas(ed) C: carri(ed) D: help(ed)
ask(ed) A: want(ed) B: pleas(ed) C: carri(ed) D: help(ed)
下列药物中治疗指数最大的是() A: A药LD=50mg,ED=5mg B: B药LD=100mg,ED=50mg C: C药LD=500mg,ED=250mg D: D药LD=50mg,ED=10mg E: E药LD=100mg,ED=25mg
下列药物中治疗指数最大的是() A: A药LD=50mg,ED=5mg B: B药LD=100mg,ED=50mg C: C药LD=500mg,ED=250mg D: D药LD=50mg,ED=10mg E: E药LD=100mg,ED=25mg
I got 1.bor(-ed, -ing) last time during the lection because the topic was totally not 2. interest(-ed, -ing) for me, it was honestly 3. tir(-ed, -ing) to be there for me.Where do you need an -ed prefix for adjectives here? A: 1,2 B: 3 C: 4 D: 1
I got 1.bor(-ed, -ing) last time during the lection because the topic was totally not 2. interest(-ed, -ing) for me, it was honestly 3. tir(-ed, -ing) to be there for me.Where do you need an -ed prefix for adjectives here? A: 1,2 B: 3 C: 4 D: 1