Exercise 9. Read the following passage and mark the letter A, B, C, or D to indicate the correct word or phrase that best fits each of the numbered blanks.

MOBILE PHONES

When Scotsman Alexander Graham Bell (106) ____ the telephone in 1876, it was a revolution in communication. (107) ____ the first time, people could talk to each other over great distances almost as clearly as if they were in the same room. Nowadays, though, we (108) ____ usc Bell’s invention for taking photographs, (109) ____ the Internet or watching video clips rather than talking. Over the last two decades a new (110) _____ of spoken communication has emerged: the mobile phone.

106. A. has been invented      B. is invented              C. invented                  D. was invented

107. A. As                                B. By                            C. For                           D. Since

108. A. increase                      B. increased                C. increasing               D. increasingly

109. A. accessing                    B. contacting               C. entering                  D. searching

110. A. aids                             B. means                     C. tools                        D. ways

Exercise 10. Read the following passage and mark the letter A, B, C, or D to indicate the correct word or phrase that best fits each of the numbered blanks.

HEALTH  DETECTOR

Scientist Hayat Sindi's device is the size of a postage stamp, and it costs just a penny. But it could (111) ____ millions of lives. In many parts of the world, doctors and nurses work with no (112) ____ or clean water. They have to send health tests to labs and wait weeks for results. But this little piece of paper could change that. It (113) ____ tiny holes that are filled with chemicals. These chemicals are able (114) ____ health problems. A person places a single (115) ____ of blood on the paper. The chemicals in the paper change (116) ____ the blood and indicate (117) ____ or not the person has an illness.

111. A. build                            B. keep                        C. start                                    D. save

112. A. electric                        B. electrical                 C. electrician               D. electricity

113. A. contains                      B. invents                    C. provides                  D. supports

114. A. detect                          B. detecting                 C. to detect                 D. to detecting

115. A. bit                                B. drop                        C. piece                       D. slice

116. A. although                      B. because                   C. due to                      D. in spite of

117. A. as if                             B. either                      C. neither                    D. whether