【单选题】Passage3 The conditions under which social scientists must work would drive a physical scientist mad. Here are five of those obstacles ( 障碍) . He can make few experiments, he cannot measure the result...
【简答题】Words in This Story double-edged sword – n. something that has both good and bad parts or results ping – n. computer term to send a usually brief message (such as a text message) or notification to a ...
【简答题】Replace the underlined words with thecorrect form of the words in the box. You may need to make other changes. affirm agony glimpse institution lean pace peer poison ...