40．A NASA experimental jet, the X-43A, flied at a world-record speed-11,260 kilometers an hour on November 17. Its speed is 　　　　as sound.

　　　 A．as ten times fast　　　　　　　　　　　　　　　　　 B．ten times so fast

　　　 C．ten times as fast　　　　　　　　　　　　　　　　　 D．so fast ten times

39．We 　　　　with $75,000， but fortunately, the proceeds of that day finally 　　　　twice that amount.

　　　 A．would be satisfied, came to　　　　　　　　　 B．would have been satisfied, came to

　　　 C．were satisfied, would come to　　　　　　　 D．were satisfied, would have come to

38．So absorbed 　　　　in the program that he didn’t notice it was already 1:00 a.m.

　　　 A．he had been　　　　 B．was he　　　　　　　　 C．he was　　　　　　　　 D．had he been

37．When we were young, we had few books to read and used to read 　　　　　books we could find.

　　　 A．no matter what　　 B．which　　　　　　　　 C．whatever　　　　　　 D．whichever

36．　　　 in convenient locations, chain stores are usually next door to people’s homes and close to the bus stops or underground stations.

　　　 A．Opening　　　　　　　 B．Having opened　　 C．Being opened　　　 D．Opened

35．You can imagine 　　　　　　a surprise when they told me the news.

　　　 A．there is 　　　　　　　 B．what it was　　　　　 C．what　　　　　　　　　 D．how

34．---Are you a member of the club?

　 ---　　　　　 .It’s years since I 　　　　a member of the club.

　　　 A．Yes; was　　　　　　　　　　　　　　　　　　　　　　 B．No; became

　　　 C．Yes; had been　　　　　　　　　　　　　　　　　　　 D．No; was

33．It was in this museum 　　　　the great exhibition was held 　　　the murder took place.

　　　 A．that, where　　　　　 　　　　　　　　　　　　　　　　 B．where; that

　　　 C．in which; when　　　　　　　　　　　　　　　　　　 D．that, that

32．One of the methods of introducing foreign genes into a plant is to make use of certain soil bacteria to infect the plant and transfer several of blue genes to the infected plant cells,　　 in high rate of plant cell division.

　　　 A．results　　　　　　　　　　　　　　　　　　　　　　　　 B．resulting

　　　 C．resulted　　　　　　　　　　　　　　　　　　　　　　　 D．to result

31． “If you get good scores in the test, you 　　　　have a gift from me,” I promise.

　　　 A．shall　　　　　　　　　 B．may　　　　　　　　　　 C．must　　　　　　　　　 D．would