大英三蓝鸽2单元答案.docVIP

1. Under the present system, state enterprises must _____all profits to the government. A. turn down B. turn up C. turn out D turn in [1]. 【参考答案】：D 2. The ____ from childhood to manhood is often a difficult time for a young man. A. transition B. transformation C. transfer D. transmit [2]. 【参考答案】：A 3. He ____the business when he was 60. A. retires from B. retired from C. retires to D. retired to [3]. 【参考答案】：B 4. During their first teacher training year, the students often visited local school for the ____of lessons. A. observation B. investigation C. inspection D. examination [4]. 【参考答案】：A 5. While a full understanding of what causes the disease may be several years away, ____leading to a successful treatment could come much sooner . A. a distinction B. a breakthrough C. an identification D. an interpretation [5]. 【参考答案】：B 6. Asked suddenly about the matter, he couldn’t____ an answer at once. A. come up with B. look for C. put up with D. keep up with [6]. 【参考答案】：A 7. Numerous small contributions soon bulk up into a _____ sum. A. significant B. considerable C. great D. considerate [7]. 【参考答案】：B 8. We couldnt even raise a ____ of interest for our plan. A. sparkle B. fire C. flash D. Spark/火星 [8]. 【参考答案】：D 9. The maxim is so perfectly self ____ that it would be absurd to attempt to prove it. A. accurate B. precise C. evident D. mature [9]. 【参考答案】：C 10. Albert Einstein’s ____ was stirred by the invisible force that guided the compass needle. A. intelligent B. intellectual C. intellect D. intelligibility [10]. 【参考答案】：C 11. The corrupt mayor was finally _____ by the people. A. unseated B. trapped C. released D. split [11]. 【参考答案】：A 12. The _____end of human acts is happin