【单选题】元素1,3,4,5,4组成的全排列最大的是()。
【单选题】Although I majored in English, language _______ became a challenge when I set foot in the USA for the first time.
【单选题】听力原文:M: I thought Amy majored in mathematics in college, now she has just found a job as an engineer in a building company. W: That's tree. She studied mathematics for four years. After graduation she...
【判断题】从心理角度说,性的基本意思是指与性有关的一切心理现象,它不仅指人们普遍认为是“正常”的性活动,也包括所有被认为是反常的性行为。
【简答题】请列举几个动物行为的例子 (1)先天性行为(至少3个)______ (2)学习行为(至少3个)______.
【单选题】I'm sure I can ______ him into letting us stay in the hotel for the night.