【单选题】Last time you your umbrella at school. Today you mustn' t ________ it any more. [ ]
【判断题】传播学是研究人类社会传受信息行为的学科,它的对象包括人际传播、组织传播和大众传播。()
【单选题】--- I forgot to do my homework. Don’t tell the teacher. --- I won’t tell anybody, but do you think you can _______ it?
【简答题】I was so busy yesterday that I forgot (call) ______ you.
【简答题】已知2 ≤|x| ≤3,则函数y=(x-1) 2 的取值范围是( ). (A)1 ≤y ≤4和9 ≤y ≤16. (B)1 ≤y ≤16. (C)4 ≤y ≤9. (D)1 ≤y ≤9.