题目内容
Up to now, no one has come up with a（n） explanation of why dinosaurs died out, and it remains a mystery．
| A．astonishing | B．amusing | C．convincing | D．puzzling |
C
解析试题分析：A．astonishing 令人惊讶的，B．amusing令人发笑的，C．convincing令人信服的，D．puzzling令人困惑的，句意：直到现在，没有人给出一个令人信服的解释为什么恐龙会灭绝，这仍然是和迷。所以选C。
考点：考查形容词辨析
---Do I need to ______ for the party?
---Don’t bother. It’s only an informal party. Come as you are.
| A．turn up | B．dress up | C．give up | D．keep up |
Because he was the new limit, he was stopped and wanted for speeding.
| A．good at | B．tired from | C．unaware of | D．uninterested in |
The famous director Li’an failed many times but he eventually _____ to achieve success.
| A．broke up | B．broke off | C．broke through | D．broke away |
If you see Jack please give my __________ to him for not having written to him.
| A．apology | B．excuse | C．message | D．theory |
The government is trying hard to give the people easy _____ to hospitals.
| A．chance | B．way | C．approach | D．access |
If we ________ this speed, we will finish the task ahead of time.
| A．hold up | B．break up |
| C．keep up | D．take up |
The group’s research has done much to our knowledge of the HIV virus．
| A．advance | B．pull | C．rush | D．adopt |
(2013·东北三校一模)The police managed to gain ________ through an upstairs window.
| A．approach | B．way |
| C．access | D．passage |