1. The scientists performed a(n) _______ to determine how effective the drug was at relieving pain.
(A) alphabet
(B) discount
(C) experiment
(D) gasoline

17. The electric dipole moment of O-H bond is 5x10-30 C.m. What is the magnitude of electric dipole moment for water molecule? (sin(52.5°) = 0.79, cos(52.5°) = 0.61) (A)3.05 x 10-30 C.m.(B) 3.95 X 10-30 C.m. (C) 6.10 X 10-30 C.m.(D) 7.90 x 10-30 C.m. (E) 9.65 X 10-30 C.m.

18. An optical fiber has an index of refraction, n=1.5, and diameter, d = 10.0 um. It is surrounded by vacuum (n=1.0). When light is sent into the fiber along its axis, find the minimum outside radius, R, permitted for a bend in the fiber if no light is to escape?(A) 16.7 um, (B) 20.0 um, (C) 25.0 um, (D) 30.0 um, (E) 50.0 um.

19. For a RLC circuit with L = 10 mH, C = 1.0 μF, and R = 200.0 Ω, when vs(t) = 2sin (10000t), what is the amplitude of output voltage vo(t)?(A) 2.0 V, (B) 1.0 V, (C) 0.707 V, (D) 0.5 V, (E) ＜1.0 mV.

20. A student performed Young's double-slit experiment in air using red light. When he immersed the apparatus in water repeated the experiment, what happens to the interference pattern on the screen? (A) No change happens in the interference pattern. (B) The bright and dark fringes stay in the same locations, but the contrast is reduced. (C) It disappears. (D) The bright fringes are farther apart. (E) The bright fringes are closer together.

2. The shop assistant says if I leave NTD 3,000 as a _______ , she will keep the dress for me. (A) baggage (B) concert (C) deposit (D) harvest

3. Though over six feet tall, he was small by _______ with his mates on the basketball team. (A) advantage (B) comparison (C) geography (D) politician

4. I cannot explain how I know. I just have a(n) _______ that you have been involved in the accident. (A) intuition (B) obedience (C) parachute (D) reference

5. After the operation, the doctor has _______ the sight in the patient’s left eye successfully. (A) bargained (B) criticized (C) divorced (D) restored

6. Being afraid of speaking in public, Thomas was encouraged by his teacher to _______ the fear. (A) motivate (B) overcome (C) quarrel (D) resemble

7. While picking up a slip of paper, the old woman lost her balance and _______ down the flight of stairs. (A) predicted (B) recalled (C) secured (D) tumbled