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搜题
【单选题】
根据抗原分子所带电荷不同进行纯化分离的方法为
A.
盐析法
B.
有机溶剂沉淀法
C.
凝胶过滤法
D.
离子交换层析法
E.
亲和层析法
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【判断题】由于低压铸造的压力不高,因此对铸型的耐热性要求就比较低,故可以选用铝合金来制造铸型以降低成本。
A.
正确
B.
错误
【简答题】一. 根据所给的首字母写出单词的正确形式。 1. What we choose and decide forms our life, but a_______ decides our choice and decision. 2. We should design more websites that are both technically a________ and also usable f...
【简答题】His parents wouldn’t let him marry anyone ___________family was poor. A. Of whom B. whom C. of whose D. whose 2. To get the job started, __________ I need is your permission. A. only what B. all w...
【简答题】汽车转向桥 主要有()、()、()等部分组成。
【简答题】听一段独白,并完成文本的填空。 If you love books, don’t miss Shakespeare and Company when you visit Paris. It is a famous English-language bookstore on the 1. ____________ bank of the river Seine. The first Shakespe...
【判断题】由于低压铸造的压力不高,因此对铸型的耐热性要求就比较低,故可以选用铝合金来制造铸型以降低成本。
A.
正确
B.
错误
【简答题】选词填空,从方框中选择合适的单词填入句子,每次只能用一次(答案必须是大写字母) A. frequently B. original C. thesis D. memorize E. frequency F. solution 1. Both sides are trying to find a ______. 2. His speech was _______ interru...
【判断题】由于低压铸造的压力不高,因此对铸型的耐热性要求就比较低,故可以选用铝合金来制造铸型。
A.
正确
B.
错误
【单选题】如何使文本变为粗体?
A.
font:b
B.
font-weight:bold
C.
style:bold
D.
b
【简答题】The minutes (was,were) unfortuntely incomplete and could therefore not be adopted. 2.The remains of shakespeare (is, are) buried on Stratford-on-Avon. 3.The New York Times (is, are) published daily. 4...
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