Study the following passage and given answer the questions.

Modern living has programmed our lives to a hectic, monotonous schedule that we have forgotten the gentle smile that once fleeted the human face. Smile has she power dissolve all worries. It has the all-pervasive ability us from abysmal depth of gloominess. We should not be cowed down by work pressure that constant frown imprisons our face.
 In built confidence and positive attitude help a smile to blossom. A face bereft of smile makes us unarmed for it is the smile is a pleasant weapon which resists all hurdles and problems that depress us. If we learn to smile in a crisis it shows that we have the forbearance and courage to face the crisis. A smile, after all helps us preserve our perfect present unmindful of our past or future.

Q:

‘Smile’ is referred to as a pleasant weapon because

• 1
  it is harmful
• 2
  it pierces the heart
• 3
  it helps us overcome our problems
• 4
  it is painful