2. An official from NASA claimed that they believed the idea of a space lift would some day be possible immediately he heard the proposal.

　 _______ ________ the proposal, an official from NASA claimed that they believed the idea of a space lift would some day be possible.

1. The story of the novel happened in pre-war London in the 1930s.

　 The novel is ______ ______ pre-war London in the1930s.

9. employ(n.) ________ (n)_________ (n) ________ 　　10. responsible (n) __________

7. experienced (opposite)__________　　　　　　　 　8..gentle(ad.)　 ____________

5. popularity (a.)____________　　　　　　　　　 　　6.force (a)　　 ____________

3. announce (n) ____________　　 　　　　　　　　　4.deliver (n.)　 ____________

1. impress (n.) ____________　　　　　　　　　　　 　2. fantastic (n.) ____________

18. The computers the students use often crash and are not ______(与…连接) to the Internet.

17. The engineer from Huai’an was appointed to be _______(对…负责) for the project.

16. The Virus HIV is spread _____(经，由) unprotected sex, blood-to-blood contact and mother-to-mother child transmission.