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【单选题】
以下几种免疫制剂属于减毒活疫苗的是A.
卡介苗
B.
脊髓灰质炎
C.
伤寒
D.
白喉
E.
乙型脑炎
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【单选题】听力原文：W: I just saw an advertisement in the newspaper that said some books were on sale on our campus this Friday afternoon. M: Great. That's just what I've been expecting! Q: What will the man probabl...
A.
Lend his book on the campus.
B.
Buy a new book.
C.
Read the newspaper.
D.
Write an advertisement in the newspaper.
【单选题】He just stared at me and there was an expression in his eyes that I couldn’t ．
A.
tell
B.
watch
C.
read
D.
feel
【简答题】That ghost looked so real that I almost peed, thank goodness that was just an ______. (a word)
【单选题】测定钙离子,首先向钙离子试液中加入过量草酸钠,然后将沉淀过滤后用硫酸溶解,再用高锰酸钾滴定试液中的草酸根,从而求得钙离子含量的方法属于( )。
A.
直接滴定法
B.
间接滴定法
C.
返滴定法
D.
置换滴定法
【简答题】高锰酸钾法测定钙属于( ) 滴定方式
【简答题】I was not admitted into a Ph.D. program, I was admitted into a ’s. But when I decided that I liked it, and I would like to do a Ph.D, that was an __1__ different picture. I was in this hostile e...
【简答题】just / that/ I / an /
flight / been / announcement / delayed / my / has / heard
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