107.（单选题）I’m well ______ very few jobs are available.

21.（填空题）Team members will be selected according to a number of strict ______ （criterion）.

20.（填空题）The firm is in a ______ （potential）dangeroussituation.

19.（填空题）The new technique will ______ （able）them to doubletheir production.

18.（填空题）Remember that smoking is ______ （harm）to you.

17.（填空题）A ______ （chemistry）element of water is oxygen.

16.（填空题）It is a seriously ______ （contamination）river.

15.（填空题）They sell this shirt in _____ （variety）colors and sizes.

14.（填空题）There was no _________ （feedback）about the map of Newark International Airport.

13.（填空题）A hearing （听证会）was held for building the new __________ （platform）at Tokyo Railway Station.

12.（填空题）It’s important to remain mentally ______ （act）after retirement.