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【单选题】
关于免疫浊度法正确的是A.
属于液体内定性检测
B.
属于琼脂内定性检测
C.
待测的含量与反应液浊度成反比
D.
属于液体内沉淀反应
E.
肉眼观察浊度的含量
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举一反三
【单选题】It is about time that we ______ closer to the speaker so that we could hear him clearer.
A.
go
B.
went
C.
going
D.
gone
【简答题】世界上第一只克隆绵羊“多利”的培育程序如下图所示。请看图后回答： (1)写出图中 a 、b 所指的细胞工程名称：a__________，b_________。 (2)“多利”面部的毛色是_______，请根据遗传学原理说明判断的原因是：__________。 (3)继植物组织培养之后，克隆绵羊的育成功，证明动物细胞也具有________________。
【简答题】世界上第一只克隆绵羊"多利"的培育过程如下图所示，图中A为黑面绵羊，B为白面绵羊。 请举例说明克隆绵羊培育成功的实际意义。
【单选题】It is about time that we ____ to supper, for we still have a meeting to attend this evening.
A.
go
B.
will go
C.
went
D.
have gone
【单选题】We are all for your suggestion that the trip ______________
A.
is to put off
B.
was put off
C.
should put off
D.
be put off
【单选题】—Shall I go and buy some food for dinner? —No, I have stored a lot in the fridge. That ______ be enough. [ ]
A.
can
B.
may
C.
might
D.
ought to
【单选题】The suggestion that the meeting _________requires _________.
A.
puts off; being considered
B.
be put off; to be considered
C.
should be put off; considered
D.
is put off; being considered
【简答题】世界上第一只克隆绵羊“多利”的培育程序如图所示，请据图回答： (1)写出图中a、b所指的细胞工程名称：a_______；b_______。 (2)实验细胞工程④时，所需的受体细胞大多采用动物卵细胞的原因是_______。 (3)“多利”面部的毛色是______，请根据遗传学原理说明判断根据：_________。 (4)继植物组织培养之后，克隆绵羊的培育成功，证明动物细胞细胞核也具有______。 ...
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