Exercise 11, multiple choice questions 1. C2。 BBA BBA BBA CA3。 BBA·BBA·CA4。 BBA CA5。 A6。 BBA CA7。 BBB BBA CA8。 D9。 BBB CA 10。 DBC 1。 DBC 65438。 03.C B C 14。 A A C B 15。 D 16。 D 17。 D 18。 A 19。 A B B 20。 C 2 1。 A B 22 C 23。 Washington, D.C. 24. B 25。 C 26。 D 27。 C 28。 A handful of 29. C 30。 D 3 1。 D 32。 A handful of 33. In 34 AD. B 2. Multiple choice questions 1.abfh2.bc3.bdeik, abce4.b5.ac6.acd37.acd3 Fill in the blanks 1.42. Ctrl+alt+del, starting without the process of program self-checking. 3. Seven, 66 4.2, 2 5. CPU 6。 Advanced, compiler, interpreter 7. Transformation, transmission and interaction exercises 2 1 and multiple-choice questions 1. A 2。 C 3。 C 4 explosive D 5。 A six. B 7。 C 2, multiple choice question 1. In 2 BC. ABD 3。 CD 4。 AEF 5 ACF (display a: directory tree) 6. BDE exercise 3 1, multiple choice questions 1. C2 a3 . D4 . b5 . a6 . a7 . D8 . C9 . d 10。 B 1。 B 12。 Cc two. Multiple choice questions 1.BCE. Multiple choice questions 1. C2 a3 . B4 . b5 . B6 . a7 . D8 . B9 . d 10。 C 1 1。 C 12。 B 13。 DA 2. Fill in the blanks with multiple-choice questions 1. Fill in 2. Workbook, worksheet 3. Relative references, absolutely quote 4. = sum (E5: E20)，= average (F5: F20) 5。 Sorting, data 6. Sheet 1 to the sum of the values of all E6 cells in Sheet5 7. Chart wizard 8. Setting up the print area Exercise 5 1. Multiple choice questions1.b2.d3.d4.b5.c6.b7.a8.a9.b. Multiple choice questions1.ab2.be3.ad4.abcd5.abcdfg6.abcdfg7.acdf8.bc9.a III. Fill in the blanks/kloc Note 3. Office assistant 4. Design template, master, color scheme, slide layout 5. Design template 6. Slide, preset animation 7. Slide browsing 8. Text box exercise 62, multiple choice question 1. C 2。 D 3。 D 4。 C 3, fill in the blanks 1. Application, transmission, network and network interface II. Service, customer 3. Uniform resource locator 4. Online Neighbors 5. Organize favorites 6. Use blank page 7. Upload and download 4. True or false 1. Error 2. Right three. Right 4. Error exercise 7 1. Fill in the blanks 1. Entity, information 2. Computer operating system, computer network system. Confidentiality, integrity and availability. Data security, user security, system security and network layer security. Infectious, concealed, latent and destructive 6.655.
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