CORDIAL: () A: dubious B: benevolent C: prophetic D: friendly E: biased

If we continue to ignore the issue of global warming, we will almost certainly suffer the ______ effects of climatic changes worldwide. A: trivial B: B．dubious C: C．toxic D: D．drastic

Even in a highly modernized country, manual work is still needed: A: expressive B: physical C: exaggerated D: dubious

He has the ______ distinction of being the only one in the class to fail the examination. A: dubious B: impressive C: remarkable D: extrinsic

Which of the following was the Masterpiece of John Steinbeck A: [A] Tortilla Flat B: Of Mice and Men C: In Dubious Battle D: The Grapes of Wrath

Even in a highly modernized country, manual work is still needed. A: expressive B: B. physical C: C. exaggerated D: dubious

Even in a highly modernized country, manual work is still needed. A: expressive B: B. physical C: C. exaggerated D. dubious

All that Web 2.0 really delivers is more dubious content from anonymous sources, __________ our time and __________ to our gullibility.

If we continue to ignore global warming, we will certainly suffer the _____ effects of climatic changes worldwide. A: dubious B: drastic C: trivial D: toxic

警察昨晚突袭俱乐部并且逮捕了几个可疑人物，据说他们与毒品交易脱不了干系。（dubious）