18、What China can learn from          2008 financial storm has become          hot topic　among us.

A．the; /                   B．the; a                C．/; the                  D．/; a

17、The government has          plenty of food and clothes of high quality to the people in　Wenchuan.

A．suffered        B．a(chǎn)rranged                   C．a(chǎn)djusted             D．supplied

16、With the effects of global warming, trees          their leaves much later in the year.

A．a(chǎn)re losing               B．have lost            C．lost                D．were losing

15、The       of surfing the Internet is how you can tell whether the information is true or not.

A．a(chǎn)bility                      B．competition        C．challenge            D．knowledge

14、______ I enjoy the book with some nice pictures, I don’t have enough money to buy it．

A．Since                    B．While               C．As                    D．If

13、I used to go camping a lot, so it won’t be the first time I          in a tent.

A．have slept                 B．had slept　          C．was sleeping      D．slept

12、We went to Mountain Tai last weekend, ________, not surprisingly, was crowded with visitors.

A．that                     B．which              C．where              D．when

11、The company provides cheap Internet access．_______, it makes shareware freely available.

A．In addition                B．In brief              C．In return             D．In common

10、I ________ be slow, but at least I don't make stupid mistakes.

A．must                        B．need                 C．should              D．may

9、―Better get down to your work, Jack.

―         .

A．It’s my pleasure                               B．Not to mention it

C．Mind your own business                     D．You’re welcome