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Medicare said that it intends to pay for counseling to help some of the Nation's 4 million older smokers ……………… the habit.

• reinforce
• stabilize
• quit
• resume

Health experts recommend all people to consume more vegetables and do mild exercise since these help …………….. the risk of developing many diseases.

• Eliminate
• deteriorate
• accumulate
• augment

In spite of substantial advances in medical technology, there are some physical and mental problems which …………….. people's lives.

• Prolong
• flourish
• reveal
• threaten

Due to their …………., children are usually not allowed to go to places where there are any risks of infection.

• Inadequacy
• proficiency
• vulnerability
• adaptability

The doctor warned the woman that her problem was ……………. her work; so she was advised to change her job.

• independent of
• attributable to
• distinctive of
• irrelevant to

No family ever pays for treatments ……………… by insurance, and families without insurance are always asked to pay.

• agreed
• conferred
• made
• covered

Today there is a general tendency among ……………. toward interesting methods which develop the reasoning capacities.

• educationists
• conventionalists
• surgeons
• conservatives

As for stimuli to work, many writers have emphasized fear of punishment and hope of …………… .

• prize
• pleasure
• honor
• reward

Abnormal vision and hearing can lead to ……………… awareness and interaction with the environment and other people.

• vanished
• replenished
• banished
• diminished

Some genes are ……………. to the development of immune cells without which the immunity system malfunctions.

• crucial
• controversial
• provisional
• temporal