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【单选题】
不属于酶联免疫吸附试验(ELISA)特点的是A.
ELISA方法可检测抗原、半抗原或抗体
B.
ELISA方法可标记抗原、抗原、第一抗体等
C.
EuSA方法可分为竞争法和非竞争法
D.
ELISA方法只能对抗体进行标记
E.
ELISA方法可结合其他方法使用
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【简答题】阅读理解。 One of the min challenges facing many countries is how to maintain their identity in the face of globalization and the growing multi-language trend 'One of the main reasons for eco failure in ma...
【简答题】齿轮传动的基本失效形式是_______、齿面磨损、_____________ 、_______________和塑性变形。
【判断题】Music Bureau poetry (yuefu) was collected from folk music in Han Dynasty.
A.
正确
B.
错误
【多选题】What are the characteristics of the Han Music Bureau Poetry?
A.
for the very first time, it reflected the daily life of people of the lower stratum of the society in detail and depth.
B.
it laid a solid foundation for classical Chinese narrative poetry.
C.
about one-third of the word texts of folk music in the Han Music Bureau are narrative pieces.
D.
There are no lyrical poems in the Han Music Bureau.
【单选题】is the representative work of the Han music bureau poetry?
A.
Records of the Grand Historian
B.
Peacock Flies Southeast
C.
the Ospreys
D.
Encountering Sorrow
【多选题】以下对于“下半旗”的叙述不正确的是
A.
是一种国家行为
B.
表达的是国家高层对重要人士逝世和重大不幸事件、自然灾害的悼念
C.
下半旗时应当先将国旗升至杆顶，然后再降下
D.
下半期时应当直接升至旗杆全长的三分之一处
【简答题】SECTION A COMPOSITION (35 MIN) Write on ANSWER SHEET ONE a composition of about 150 words on the following topic: Advantages or Disadvantages of Watching TV You are to write in three parts. In the fir...
【简答题】齿轮传动的基本失效形式是（）折断、齿面磨损、（）点蚀、齿面胶合和塑性变形。
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