【简答题】卡罗式摄影术的发明人是 __________ ,被称为“ ______________ 之父”。
【单选题】57What does the research in Nature say about a high-factor sunscreen?
A.
It is ineffective in pring melanomas
B.
It is ineffective in case of intense sunlight.
C.
It is ineffective with long-term exposure.
D.
It is ineffective for people with fair skin.
【单选题】Why does Ms. Porter want to go to London?
A.
To attend a job interview
B.
To make a hotel reservation
C.
To see her division manager
D.
To attend a business function
【判断题】1839年法国科学与艺术学院购买了达盖尔发明的“卡罗式摄影法”专利并公布于众,标志着“摄影术”的诞生。