The document contains 5 short passages with blanks that require a word to be selected to complete each passage. The passages provide clues about commuting habits, industrial areas, comparing structures, scientific research processes, and changing workforce compositions. No other contextual or supporting information is given beyond the individual snippets.

1. Shinji enjoys _____ on crossword puzzles
while commuting to work on the train.
! (A) work
! (B) to work
! (C) works
! (D) working
The Ruhr Valley in Germany is _____
area.
! (A) a heavy industrial
! (B) a heavily industrialized
! (C) an industrially heavy
! (D) a heavily industry
The new bridge is not as picturesque
_____ the old one, but it is much safer.
! (A) as
! (B) so
! (C) like
! (D) than
The scientific method is the _____ of all
scientific research.
! (A) basic
! (B) basis
! (C) basing
! (D) base
Temporary and part-time workers make
_____ a higher proportion of the work
force today than they did in the past.
! (A) out
! (B) up
! (C) away
! (D) on