His new girlfriend had {{U}}omitted{{/U}} to tell him that she was married.

A:failed B:deleted C:refused D:rejected

It's {{U}}prudent{{/U}} to take a thick coat in cold weather when you go out.

A:controversial B:reasonable C:sensible D:sensitive

The most {{U}}crucial{{/U}} problem any economic system faces is how to use its scarce resources.

A:puzzling B:difficult C:terrifying D:urgent

The {{U}}steadily{{/U}} rising cost of labor on the waterfront has greatly increased the cost of shipping cargo by water.

A:continuously B:quickly C:excessively D:exceptionally

His health had {{U}}deteriorated{{/U}} while he was in prison.

A:became better B:became worse C:became stronger D:became weaker

Smoking is {{U}}inhibited{{/U}} in public places.

A:instructed B:inquired C:forbidden D:strived

How can we {{U}}reduce{{/U}} the risk of cancer?

A:cut in B:cut down C:cut off D:cut out

He is said to be suffering from {{U}}terminal{{/U}} cancer and has asked for euthanasia (安乐死).

A:acute B:chronic C:final D:fatal

Are you {{U}}positive{{/U}} that there's been no mistake?

A:rational B:reasonable C:certain D:bound

During the past ten years there have been {{U}}dramatic{{/U}} changes in the international situation.

A:permanent B:powerful C:striking D:practical