40. In spite of their best efforts, the soldiers were forced to ________ to the enemy’s superior firepower. (A) resolve (B) contribute (C) dedicate (D) surrender

47. Which of the following can be inferred from the passage? (A) Flying taxis mostly depend on traditional ways of traveling on the ground. (B) Urban air mobility has the potential to change urban construction and planning. (C) Urban air mobility relies mainly on large commercial airplanes for transportation. (D) The development of urban air mobility contribute significantly to pollution in cities.

40. In spite of their best efforts, the soldiers were forced to ________ to the enemy’s superior firepower.
(A) resolve
(B) contribute
(C) dedicate
(D) surrender

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