【单选题】It was not until yesterday the business negotiation finally came to a successful end.
【多选题】有关微量元素碘的正确说法是______。
【判断题】科研勘测设计费包括工程科学研究试验费和工程勘测设计费。( )
【单选题】某基金会要决定的下列事项中,哪些需要出席理事三分之二以上通过?( )。
【简答题】It was not until 1835 however that the phenomenon (give) _______ a name.