A. a date when you celebrate sth. That happened in a previous year that is important to you
B. not to change your mind, even when people think you are being unreasonable
C. try to make sb feel better when they are unhappy or disappointed
D. not very interesting, serious, or valuable
E. give a particular quality to sth, or say that sth has a particular quality
F. a large building with a lot of shops, restaurants, and sometimes a cinema
G. a small group of people or things that are very close to each other
H. think very carefully about sth for a long time
单选题 (分值1.0分,难度:易)A. 闪光B. 火焰C. 缺点D. 面粉
Then listen to the passage and choose the best answer to each question you hear.
Now listen to a news report and choose the best answer to each of the questions
Listen to Section II of the lecture and choose the best answer to each question
Listen to Section II of the lecture and choose the best answer to each question
Then listen to Segment 2 and choose the best answer to each question you hear.(1
Listen to the passage and choose the best answer to each question you hear.(1) (
2/30 单选题(分值4.0分,难度:易)-|||-计算 lg dfrac (1)(100)= ()()-|||-bigcirc
1/10 单选题（分值10.0分，难度：易）lim_(n{to)(infty)}2^n=( ) ____1/10 单选题（分值10.0分，难度：易
dfrac (28)(5) 单选题(分值2.0分,难度:易)