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【简答题】
荧光是光致发光现象。荧光分光光度计是在与入射光束成直角的方向测定荧光，这是为了（）。荧光分光光度计通常备有两个单色器，其中一个是（）单色器，其作用是（），另一个是（）单色器，其作用是（）。
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举一反三
【单选题】We deal with a lot of foreign customers and are considered to be one of their most reliable agents.
A.
我们同许多国外客户打过交道，被一致认为是国内外首屈一指的代理商。
B.
我们与国外许多客户保持联系，而且我们为他们寻找国内最好的代理商。
C.
我们与许多外国客户有业务往来，并被认为是他们最可靠的代理商之一。
D.
无
【简答题】I. Fill in the blank in each of the following sentences with a suitable preposition or adverb. ( 1*10=10 points ) 1. I will carry out her instructions ______ the best of my ability. 2. We should focus...
【多选题】建设社会主义文化强国的五项任务目标包括()。
A.
强调民族精神是我们民族的根和魂
B.
提出要提高国家的外交软实力
C.
坚守我们的核心价值体系和核心价值观
D.
弘扬主旋律，传播正能量
E.
要牢牢地掌握文化传播工作的领导权和话语权
【简答题】Questions 1 to 10 are based on the following passage. Years ago, doctors often said that pain was a normal part of life. In particular, when older patients __1__ of pain, they were told it was a natur...
【简答题】I promised you _______________________ ( 能再见到他 ) 。
【单选题】AI Rubber is one of four suppliers of molded rubber products and has a 45% market share and 10% market growth rate. If we consider the market share over 20% as high market share, and over 20% as the h...
A.
a star
B.
a cash cow
C.
a question mark
D.
a dog
【简答题】We know elephants are highly ______(1), they form complex societies and have rich emotional lives. But something is going terribly wrong with these ______(2) creatures. It’s ______(3) 10 people die ev...
【单选题】We considered ________to California at first, but decided not to in the end.
A.
move C. to move
B.
moving D. moved
【简答题】We all know that the chief purposes of law are to 1peace and order, to 2the rights of citizens, to3,4 and to5 those who break the law. Good laws are those that are considered to serve the cause of jus...
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