1. This terrorist attack has been ___ by the entire international community.
　　A．condemned
　　B．scolded
　　C．criticized
　　D．blamed
　　2. What these young men were doing ___ a threat to the safety of the whole neighborhood.
　　A．constructed
　　B．constituted
　　C．contracted
　　D．contributed
　　3. Natural gas can be used to power cars by ___ their engines.
　　A．converting
　　B．condensing
　　C．transferring
　　D．transmitting
　　4. Humidity is so intense in some parts of the tropics that Europeans find they are unable to ____it.
　　A．maintain
　　B．persist
　　C．endure
　　D．sustain
　　5. The road was so icy that the drivers had trouble stopping their cars from ___.
　　A．drifting
　　B．cruising
　　C．sliding
　　D．sloping
　　6. Once we'd ___ the subject of Jill's wedding, we had nothing to say to each other.
　　A．exerted
　　B．executed
　　C．exhausted
　　D．explained
　　7. Despite the rescuers' strenuous（艰苦的） efforts, hopes of finding the missing climbers are now beginning to____.
　　A．decrease
　　B．fade
　　C．loosen
　　D．faint
　　8. Don't ___ to contact me if you need any more information.
　　A．hesitate
　　B．pause
　　C．postpone
　　D．frighten
　　9. After a day's work, people may feel ___ to relax themselves by reading or watching TV.
　　A．inclined
　　B．intended
　　C．declined
　　D．subjected
　　10. This machine works very well so long as no one ___ with it.
　　A．disturbs
　　B．upsets
　　C．interrupts
　　D．interferes

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