1. After a close physical examination, the doctor finally ____ that the man was mad.
[A] certified [B] secured
[C] declared [D] confined
2. This oil is ____ from the seeds of several valuable plants, so it is very nourishing.
[A] restored [B] refined
[C] manufactured [D] extracted
3. When I came into the factory, I saw workers ____ Skillfully the controls of the machines.
[A] manifesting [B] manipulating
[C] managing [D] ministering
4. It gave me a ____ to know I had passed the examination.
[A] thrill [B] thorn
[C] thirst [D] sting
5. Kate’s ____ arrived every night to take her out for the evening.
[A] participant [B] escort
[C] colleague [D] delegation
6. The discussion was so prolonged and exhausting that ____ the speakers stopped for refreshments.
[A] at large [B] at intervals
[C] at ease [D] at random
7. When travelling, you a re advised to take travellers, checks, which provide a secure ____ to carrying your money in cash.
[A] substitute [B] 0selection
[C] preference [D] alternative
8. I never trusted him because I always thought of him as such a ____ character.
[A] gracious [B] suspicious
[C] unique [D] particular
9. Changing from solid to liquid, water takes in heat from all substances near it, and this ____ produces artificial cold surrounding it. [A] absorption [B] transition
[C] consumption [D] interaction
10. I didn’t say anything like that at all. You are purposely ____ my ideas to prove your point.
[A] revising [B] contradicting
[C] distorting [D] distracting
11. They failed in their attempt to promote this new product for the ____ of the plan.
[A] efficiency [B] deficiency
[C] lack [D] defiance
12. Don’t worry about him. He is ____ enough not to make such a silly mistake.
[A] passio nate [B] shrewd
[C] proficient [D] initiative
13. The young doctor ____ the difficult operation of kidney transplant.
[A] reflected [B] conspired
[C] represented [D] contemplated
14. The fat woman felt embarrassed when the chair gave a ____ when she sat down on it.
[A] moan [B] wail
[c] howl [D] groan
15. When I asked her about her examination result, she just ____, saying that she didn’t know and didn’t care.