单项选择题
Multiple Choice Questions (50 points, 1 points for each) Read the following unfinished statements or questions carefully. For each unfinished statements or questions, four suggested answers marked A, B, C and D are given. Choose the one that you think best completes the statements or answers the question. Blacken the corresponding letter on the ANSWER SHEET.
回答问题
Give a one-sentence answer to each of the following questions. Write your answer in the corresponding space on the answer sheet.(30 points, 3 points for each)
解释术语
Explain each of the following terms in English. Write your answers on the answer sheet in around 40 words. (20 points, 5 points each)