25 Which of the followings is most likely a legal issue in 3D printing?
(A)Teaching employees skills for using the technology.
(B)Computer-based models are developed and then adapted to machining.
(C)Printing an object that is protected by patents.
(D)Following instructions from a computer and stacking raw material into layers.

21 (A)“We are lovin' it.”(B) “Just do it.” (C)“We are family.”(D) “Trust me, I 'm a celebrity.”

22 (A)“Buy a bundle: cable TV, telephone, and Net--all in one.” (B)“Buy a one-year service and get three extra months free. ” (C)“Leave us your address and you'll get a free quote.” (D)“Subscribe to a family package and save.”

23. Which of the following is NOT a good reason for the excitement surrounding 3D printing? (A)It enables a “maker movement” as more people apply the technology to their daily lives. (B)Food-loving enthusiasts can finally create dough and other culinary treats manually. (C)It has the capability to print on demand whenever an object is needed. (D)It enables the do-it-yourself community to make everything they need.

24 According to the passage, which of the following is NOT the author's main concern? (A)Safety (B)Training (C) Legal issues (D)Raw material

1 Visitors to the museum can learn about_____ , physiology, and health by examining real human bodies that have been medically preserved. (A)anatomy (B)analogue (C) analogy(D) anarchy

2 Stacy was keeping the project_____ , so it could be finished on time. Her supervisor was satisfied with the result. (A)on track (B) by default(C)from scratch (D)in season

3 The new law prohibits insurance companies from discriminating against disabled children by denying them_____ coverage or charging them premiums. (A)apprehensive (B)indeterminate (C) exorbitant (D)optimum

4 After refusing to_____ the election result last night, the candidate issued a statement this morning demanding a recount. (A)besiege (B)acknowledge (C) elevate (D)preside

5 Mary can only attend one of the_____ sessions at the conference. (A)concurrent (B)deliberate (C) perspective (D)reluctant

6 A powerful earthquake and a _____ tsunami killed untold thousands on Japan's northeastern coast and left many more homeless. (A)cumulative (B) devastating (C) nominal(D)terminal