完形填空。 Most people give little thought to the Pens they write with, especially since the printer. In modern homes and offices mean that very 1 things are handwritten. All too often, people buy a pen based only on 2 , and wonder why they are not satisfied 3 . They begin to use it. However, buying a pen that you'll enjoy is not 4 if you keep the following in mind. First of all, a pen should fit comfortably in your hand and be 5 to use. The thickness of the pen is the most important characteristic (特征) 6 comfort. Having a small hand and thick fingers, you may be comfortable with a thin pen. If you have a 7 hand and thicker fingers, you may 8 a fatter pen. The length of 8 pen call 9 influence comfort. A pen that is too 10 can easily feel top-heavy and unstable. Then, the writing point of the pen should 11 the ink to flow evenly (均匀地) while the pen remains in touch with the paper. 12 will make it possible for you to create a 13 line of writing. The point should also be sensitive enough to 14 ink from running when the pen is lifted. A point that does not block the 15 may leave drops of ink, 16 you pick the pen up and put it down again. 17 , the pen should make a thick, dark line. Fine-line pens may 18 bad handwriting, but fine, delicate lines do not command 19 next to printed text, as, 20 , a signature on a printed letter. A broad line, on other hand, gives an impression of confidence and authority (权威). (     )1. A. many (     )2. A.1ooks (     )3. A. once (     )4. A. convenient (     )5. A. heavy (     )6. A. taking (     )7. A. stronger (     )8. A. prefer (     )9. A. hardly (     )10. A. thick (     )11. A. change (     )12. A. They (     )13. A. thin (     )14. A. prevent (     )15. A. way (     )16. A. so (     )17. A. Meanwhile (     )18. A. show up (     )19. A. attention (     )20. A. at most B. few B. reason B. if B. easy B. easy B. finding B. weaker B. recommend B. allow B. 1ight B. allow B. One B. rough B. free B. Sight B. as B. Generally B. differ from B. support B. For example C. pleasant C. value C. because C. hard C. hard C. determining C. Smaller C. prepare C. never C. 1ong C. reduce C. This C. black C. protect C. flow C. and C. Afterwards C. Break down C. respect C. in brief D. important D. advantages D. though D. difficult D. safe D. seeking D. 1arger D. demand D. Still D. soft D. press D. Some D. Smooth D. Remove D. Stream D. Yet D. Finally D. compensate for D. Admission D. on purpose