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【多选题】
有关'白喉的免疫'的叙述,哪一项是错误的:
A.
新生儿可从母体获得免疫
B.
隐性感染后可获得免疫
C.
主要靠特异性细胞免疫的作用
D.
可用锡克试验测定
E.
愈后不能获得牢固免疫力
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参考答案:
举一反三
【单选题】在高原地区,一般每升高100米,气压下降()毫米汞柱。
A.
1
B.
3
C.
5
D.
7
【简答题】Where did the writer spend that Thanksgiving? _________________________________________________ Why do you think they were sailing there? _________________________________________________ What made th...
【单选题】What made the writer travel with his mentor Curt Carlson in Carlson's jet?
A.
There was a snowstorm and the international airport was closed.
B.
Calson was very rich,and he had a splendid jet.
【单选题】上颌第一磨牙斜嵴是由
A.
近中颊尖三角嵴与近中舌尖三角嵴相连而成
B.
远中颊尖三角嵴与远中舌尖三角嵴相连而成
C.
近中颊尖三角嵴与远中舌尖三角嵴相连而成
D.
近中颊尖三角嵴与远中颊尖三角嵴相连而成
E.
远中颊尖三角嵴与近中舌尖三角嵴相连而成
【简答题】What made the writer as a cook extremely busy on that Thanksgiving Day?
【简答题】没有基础的婚姻一般表现为 A婚前没有发现对方存在暴力倾向等难以容忍的缺点 B双方从未进入对方的生命包 C D只是相互利用
【简答题】Answer the following questions: Where did the writer spend that Thanksgiving? Where was he going? Why do you think they were sailing there? What made the writer as a cook extremely busy on that Thanks...
【简答题】Unit 3 Content Questions 10. What made the writer travel with his mentor Curt Carlson in Carlson's jet and what happened on the day of departure?
【多选题】选取滤油器时,要考虑以下哪些指标?
A.
工作压力
B.
通过最大流量
C.
过滤精度
D.
允许压降
【简答题】What term is used to define the degree of inner self-determination of the class?
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