仿真试题,题目类型与难度!

二、单项选择 （共20小题，计20分）
从每小题A、B、C、D中选出一个能填入句中空白处的最佳答案。
16. —How can I tell one tree from another?
—You can mostly tell them by the ___________ of their leaves.
A. shape    B. size    C. age    D. color
17. Obey the traffic rules and learn to protect yourself.      ___    is more important than life.
A. Nothing  B. Something     C. Everything   D. Anything
18. He got good marks in exams because he put all his _________ into his study.
A. affect    B. effect      C. effort      D. offer
19. —Have you received an e-mail message from Helen？
—____________．
—Really？No news is good news．
A. Yes, I have       B. I don't mind    
C. No, I haven't      D. No problem
20. —He is slow in studying. I wonder how he could get good results in the exam.
—No wonder he is always __________.
A. lively    B. hard-working    C. kind-hearted    D. helpful