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【单选题】
在洛氏硬度 HRC为 60±2的钢毡上,回弹仪的率应为( )。A.
80
B.
80±1
C.
80±2
D.
80±3
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does he
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A.
doesn't
B.
attend
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and
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too
【单选题】Paula (doesn't want) to (attend) the meeting (and) Sheila doesn't (too).
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doesn't want
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attend
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and
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too
【简答题】外周免疫器官与组织包括__________、_________和____________。
【单选题】Everyone knows that the earth is spherical, ______?
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doesn't he
B.
doesn't she
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doesn't it
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don't they
【单选题】关于外周免疫器官的叙述，不正确的是
A.
包括淋巴结、脾脏和黏膜相关淋巴组织
B.
是免疫细胞发育成熟的场所
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【单选题】He doesn't watch the game, _________? [ ]
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