16.Today, these methods are viewed as practices that can cause harm and are in the last -_______ only to be used when measures have failed and safety is at sever risk.

54. Which of the following statement about gods described in the passage is true?

3. Whether my judgement _______ right or wrong, I will continue my research without any hesitation. 

38.

37.

5. Mainstream pro-market economists all agree that competition is an ______ spur to efficiency and innovation.

23.

39.

19. ________ both sides accept the agreement ________a lasting peace be established in this region.

33.

51. Which of the following is true according to the passage?

9.Mary is looking for some ________ to go with her black and white evening gown for the party.