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【单选题】
送检病料用于分离口蹄疫病毒时,其中加入的保存液是(2012真题上130)A.
无菌蒸馏水
B.
70%乙醇
C.
50%甘油磷酸盐缓冲液
D.
0.1%硫柳汞
E.
0.1%叠氮钠
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【简答题】请将第四次提交的三张速写作业进行提交
【简答题】A．She is running down. B．She is a little tired. C．She is too worried. D．She is rather embarrassed.
【单选题】— I don’t know now. — Her father says she is a little better.
A.
how is she
B.
where she is
C.
who she is
D.
how she is
【单选题】Lily is a good student except()she is a little bit careless.
A.
where
B.
which
C.
that
【简答题】《约法》废除责任内阁制，实行______。
【简答题】根据第一次所学内容,请判断以下10篇以参考文献格式呈现的文献分别属于十大情报源中的哪一种?每篇文献的AU(著者)、TI(篇名)以及SO(出处)分别是什么? [1] 朱建平,张润楚 . 数据挖掘的发展及其特点 [J]. 统计与决策, 2002 ( 3 ): 55 - 60. [2] 张筑生 . 微分半动力系统的不变集 [D]. 北京:北京大学, 1983. [3] 全国量和单位标准化技术委员会 . ...
【单选题】– She is a little selfish. _______, she only cares about herself. -- No wonder she is so unpopular.
A.
What’s more
B.
In other words
C.
By the way
D.
On the contrary
【简答题】A．She is a little tired. B．She is going to study in the library. C．She wants to listen to the music. D．She is going to make a reservation.
【简答题】A．She is a little tired. B．She is going to study in the library. C．She wants to listen to the music. D．She is going to make a reservation.
【简答题】A.She prefers to stay by herself. B.She is a little shy in nature. C.She dislikes friends with others. D.She is talkative when with strangers.
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