39. The children__how to navigate on the Internet using search tools and the browser. A. demonstrated B. illustrated C. exemplified D. showed ...

29. I think I was at school, _____ I was staying with a friend during the vacation when I heard the news. A. or else B. and then C. or so D. even so ...

5. The back garen of our house contains a lawn,__very pleasant to sit on in summer. A. which is B. which it is C. it is D. where it is ...

9. After his parents got killed in the air crash, the Smiths (cared for) Carl as if he (was) their own child. A. 错误 B. 正确 ...

19. disperse means to separate and go away in different directions A. 错误 B. 正确 ...

8. I () quietly, careful not to alarm a bird that might loudly warn other creatures to hide. A. proceeded B. linger C. stack D. spiral ...

12. Identity is determined by genetic () (what is inherited from parents), shaped by environment, and influenced by chance events. A. endowment B. luxury C. recollection D. expound ...

16. Katharine Hepburn as Rosie, the missionary,() over her Bible and aptly retorts A. dwindled B. peered C. shrinked D. strolled ...

5. A traditional way of getting oyster is to ()from small boats and collect them from the bottom of the ocean. A. benefit B. plunge C. dump D. distort ...

23: I’d like to meet you at the station , but I will left Shanghai when you return. A: 错误 B: 正确 ...