7__to specific disorders and others __18__the underlying scientific laws that control the nervous system of sleep. The agency was__19__the panel‘s review before deciding what additional work should be__20__ at insomnia.

　　1. [A] unproven [B] unknown [C] improper [D] imperative

　　2. [A] fall [B] lie [C] seem [D] become

　　3. [A] prescribe [B] pop [C] abuse [D] experiment

　　4. [A] And [B] Though [C] Thus [D] But

　　5. [A] peculiar [B] anonymous [C] mysterious [D] unexpected

　　6. [A] signals [B] symptoms [C] signs [D] symbols

　　7. [A] in addition to[B] except for [C] owing to [D] for all

　　8. [A] pulled [B] collected [C] brought [D] drawn

　　9. [A] on [B] for [C] up [D] in

　　10. [A] noting [B] notifying [C] nosing [D] nominating

　　11. [A] undertaking[B] underlining [C] underlying [D] undermining

　　12. [A] cause [B] accompany [C] follow [D] attend

　　13. [A] short [B] case [C] essence [D] turn

　　14. [A] inside [B] outside [C] aside [D] besides

　　15. [A] common [B] popular [C] frequent [D] regular

　　16. [A] conscription[B] description [C] subscription[D] prescription

　　17. [A] aimed [B] targeted [C] designated [D] designed

　　18. [A] examining [B] inspecting [C] verifying [D] assessing

　　19. [A] conducting [B] awaiting [C] receiving [D] considering

　　20. [A] assigned [B] charged [C] directed [D] attended

　　答案

　　1.A 2.B 3.B 4.D 5.C 6.B