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【多选题】
有关抗原的免疫原性，以下叙述正确的有（ ）。A.
抗原与机体之间的亲缘关系越远，组织结构差异越大，其免疫原性越强
B.
具有免疫原性的物质，其分子质量越大，免疫原性越强
C.
有免疫原性的物质，其分子构象越复杂，免疫原性越强
D.
一般情况下，颗粒性抗原较可溶性抗原的免疫原性强
E.
蛋白质变性引起的构象改变不会影响其免疫原性
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【简答题】If I 1 born some 150 thousand years ago, I am not sure if I 2 be able to survive quite as well, as we would be going through the forests with spears in our hands 3 our dinners. I would now be the guy ...
【单选题】Peter with his classmates ____ for the bus when the earthquake happened.
A.
is waiting
B.
was waiting
C.
are waiting
D.
were waiting
【单选题】What has happened to Peter in the end?
A.
He has become a famous writer.
B.
He has been killed by the Nazis.
C.
He has moved to Sweden.
【单选题】纳税人实际占用的土地面积尚未核发土地使用证书的，（ ）城镇土地使用税。
A.
免征
B.
由纳税人据实申报土地面积，并以此为计税依据征收
C.
由税务机关估定土地面积征收
D.
由房地产管理部门估定土地面积征收
【简答题】听下面一段对话，回答1-3三个小题。 1. What happened to Peter? [ ] A. He was late for school. B. He had no breakfast to eat. C. He lost his keys. 2. When did Peter go to the woman's place? [ ] A. At nearly 7:4...
【单选题】纳税人实际占用的土地面积尚未核发土地使用证书的，应由（）城镇土地使用税。
A.
纳税人申报土地面积，并以此为计税依据征收
B.
房地产管理部门估定
C.
免征
D.
税务机关估定
【简答题】Once
Rip tells the town what happened, they consult old Peter Vanderdonk , who confirms that the Kaatskills are haunted. Whom does Peter name as
the Dutch explorer who periodically appears in the moun...
【单选题】Peter happened ________ China Daily when Mr. Johnson came in.
A.
to read
B.
to reading
C.
to be reading
D.
be reading
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