Text-1 Read the text. Then choose the correct answer for questions 1-2

69. One advantage soft contact lenses have over hard ones is that they ...
A) are completely flexible
B) Are made of natural products.
C) aren’t as expensive.
D) come in two varieties.
70. We learn from the passage that hard plastic lenses
A) may break if dropped.
B) are initially uncomfortable.
C) are water absorbent.
D) do not provide clear vision.
71. We can conclude from the passage that a person wearing soft plastic lenses ...
A) ought to use them for short periods.
B) should avoid using aerosol sprays.
C) won’t, have any difficulty seeing clearly.
D) doesn’t need to have them checked frequently.