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【单选题】
关于乙脑的预防,下列哪项措施是错误的A.
防蚊灭蚊
B.
对易感人群普遍预防接种
C.
给幼猪接种疫苗
D.
消毒疫水
E.
注射免疫血清紧急预防
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举一反三
【简答题】A. th ief B. wi th C. th rough D. th in
【简答题】4th Person
【单选题】― I’m afraid I have to give it up. ― Don’t be discouraged. Remember ______ sticks to his work will succeed one day.
A.
those who
B.
who
C.
whoever
D.
whomever
【单选题】有关流感病毒血凝素抗体的叙述，下列哪条是错误的
A.
血凝素抗体为型特异性抗体
B.
是流感主要的保护性抗体
C.
从呼吸道分泌物和血清中均可检出
D.
IgG在感染后4～7周达高峰
E.
随着抗原漂移，其抗体保护性减弱
【单选题】–I tried many times, but I still failed in the experiment. --Don’t be discouraged. _______ and the problem will be settled.
A.
Having a little effort
B.
There is a little effort
C.
If you have a bit effort
D.
A bit more effort
【多选题】关于IgG的叙述，下列哪些是正确的?
A.
血清中含量最高
B.
大多数抗菌、抗毒素抗体属于IgG
C.
能激活补体
D.
能与SPA结合
E.
是再次免疫应答产生的主要抗体
【简答题】A．June 4th. B．June 14th. C．July 4th. D．July 14th.
【简答题】Th(NO3)4+4NaOH→
【单选题】---I had practiced my spoken English, but still failed in the oral test. ---Don’t be discouraged. _____ and you will surely pass it.
A.
Make a bit more effort
B.
To make a bit more
C.
Making a bit more effort
D.
If you make a bit more effort
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