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【单选题】
下列哪项属于人工主动免疫A.
注射丙种球蛋白预防麻疹
B.
接种卡介苗预防结核
C.
注射破伤风抗毒素预防破伤风
D.
注射人血清免疫球蛋白
E.
骨髓移植治疗白血病
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【简答题】I tell them that learning isn't all about finding the right answers. It is more important to ask the right questions. This is a lesson which we can take into the world with us
【单选题】You and I both know that candy isn't good for our teeth, so why do we continue to eat it?
A.
1
B.
2
C.
3
D.
4
【单选题】The financial situation isn't bad yet, but we believe that we have some vital information and, if it is correct, unemployment will soon become a serious problem. What do we know about the financial si...
A.
It won't change.
B.
It will become a serious problem.
C.
It is not bad now.
D.
It will improve.
【单选题】Michelle Obama told the audience not to “ let anyone ever tell you that this country isn't great, that ____ we need to make it great again.”
A.
somehow
B.
somewhat
C.
somewhere
D.
otherwise
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