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【多选题】
下列叙述与逆(反)转录有是A.
以RNA为模板合成DNA的过程
B.
以RNA为模板合成RNA的过程
C.
需逆（反）转录酶催化
D.
必须有引物存在才能合成
E.
dNTP是合成原料
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【单选题】Once he has ______ nothing can change his mind. [ ]
A.
made up his mind
B.
decided his mind
C.
determined his mind
D.
made his mind
【简答题】And it is imagined by many that the operations of the common mind can by no means be compared with these processes, and that they have to be required by a sort of special training.
【简答题】The ________ of the scientific attitude is that the human mind can succeed in understanding the universe. A) essence B) texture C) content D) threshold
【简答题】What kind of tea would you prefer to begin/start with, black tea or green tea?
【简答题】It all began with a stop at a red light. Kevin Salwen, a writer and entrepreneur in Atlanta, was driving his14-year-old daughter, Hannah, back from a sleepover in 2006. While waiting at a traffic ligh...
【单选题】关于衬纬组织的说法中错误的是（）
A.
纬纱被夹在双面织物的中间
B.
衬纬组织形成的织物尺寸稳定
C.
衬纬组织形成的织物横向的延伸性能小
D.
横向弹性比衬垫组织要大些
【单选题】下列说法错误的是()
A.
利用较长的延展线或脱下的衬纬纱,或脱下的线圈在织物上形成毛圈表面,称为毛圈经编组织。
B.
经编毛圈织物柔软,手感丰满、吸湿性好,在服装用及装饰用品领域应用广泛。
C.
毛圈织物可以分为单面毛圈和双面毛圈两种。
D.
普通经编机就可以制备毛圈织物。
【简答题】紫外可见分光光度法定性分析的重要参数是 _____________, 定量分析的基本关系式是 _____________ 。
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