Directions: In this section of the test, there are ten paragraphs. Each of the paragraphs is followed by an incomplete phrase or sentence which summarizes the main idea of the paragraph. Spell out the missing letters of the word on your Answer Sheet.
If you sit at a desk all day, get up frequently and walk around. If you carry a heavy shoulder bag, make sure to carry it on both your right and left shoulder, switching off as each gets tired. Even. better: wear a cross-body bag. These and other tips will help you avoid bad posture.
45. Tips for m______ good posture.
【正确答案】：maintaining
