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【简答题】
荧光光度计与紫外可见分光光度计结构上的区别是什么？
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】TV provides the daily news but magazines offer us information that can be kept for a long time.
【单选题】The daily news reported that 305 people ______ with SARS in Guangdong Province.
A.
has ecome infected
B.
has become infecting
C.
had become infected
D.
had become infecting
【单选题】What is true about the price of the Daily News?
A.
The Sunday' s paper is $72.
B.
It is possible to lower the price.
C.
The Daily News is free to take.
D.
If you buy it at bookstores, it' s cheaper.
【判断题】防晒化妆品未经防水性能测定,或产品防水性能测定结果显示洗浴 后SPF值减少超过50%的,不得宣称防水效果。宣称具有防水效果的防晒 化妆品,可同时标注洗浴前及洗浴后SPF值,或只标注洗浴后SPF值,不 得只标注洗浴前SPF值
A.
正确
B.
错误
【单选题】For thir years after his return from Europe， __________ .
A.
the Chicago Daily News was worked for by Carl Sandburg
B.
Carl Sandburg's work for the Chicago Daily News
C.
when Carl Sandburg worked in Chicago for the Daily News
D.
Carl Sandburg worked for the Chicago Daily News
【单选题】Tampa Daily News —Available in Print and Online The Tampa Daily News has two versions of its printed newspaper available online. One version (147) the printed edition, including the editorial and news...
A.
is the same
B.
has the same
C.
is the same as
D.
as has the same
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【简答题】TV provides the daily news but magazines offer us information that can be kept for a long time.