13、One way to know      techniques to use is to study the techniques      good readers use and then adopt them in your own reading.

A．that；what       B．if；what    C．what；that   D．that；if

11、We don’t keep winning games _______ we keep playing well.

A. because                       B. unless                     C. when                     D. while

10、Don’t worry if you can’t come to _______ party.

--- I’ll save ________ cake for you.

A. the ; some                    B. a ; much                 C. the ; any                 D. a ; little

9、_______ is our belief that improvements in health care will lead to a stronger, more prosperous economy.

A. As                          B. That                       C. This                          D. It

8、When ______ different cultures, we often pay attention only to the differences without noticing the many similarities.

A. compared                    B. being compare  C. comparing                   D. having compared

7、This machine _______. It hasn’t worked for years.

A. didn’t work                  B. wasn’t working      C. doesn’t work          D. isn’t working

6、The company had about 20 notebook computers but only one-third _______ used regularly. Now we have 60 working all day long.

A. is                                B. are                         C. was                       D. were

5、We’re trying to ring you back, Bryan, but we think we ________ your number incorrectly.

A. looked up                     B. took down              C. worked out             D. brought about

4、_________ by keeping down costs will Power Data hold its advantage over other companies.

A. Only                          B. Just                        C. Still                         D. Yet